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This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women from the
social science Social science is one of the branches of science, devoted to the study of societies and the relationships among individuals within those societies. The term was formerly used to refer to the field of sociology, the original "science of soc ...
s (e.g. sociology, psychology) and the formal sciences (e.g. mathematics, computer science), as well as notable science educators and
medical scientists A biomedical scientist is a scientist trained in biology, particularly in the context of medical laboratory sciences or laboratory medicine. These scientists work to gain knowledge on the main principles of how the human body works and to find new w ...
. The chronological events listed in the timeline relate to both scientific achievements and gender equality within the sciences.


Ancient history

* 1900 BCE: Aganice, also known as Athyrta, was an Egyptian princess during the Middle Kingdom (about 2000–1700 BCE) working on astronomy and natural philosophy.Aganice (XX bc)
/ref> *c. 1500 BCE:
Hatshepsut Hatshepsut (; also Hatchepsut; Egyptian: '' ḥꜣt- špswt'' "Foremost of Noble Ladies"; or Hatasu c. 1507–1458 BC) was the fifth pharaoh of the Eighteenth Dynasty of Egypt. She was the second historically confirmed female pharaoh, af ...
, also known as the Queen Doctor, promoted a botanical expedition searching for officinal plants. * 1200 BCE: The Mesopotamian perfume-maker Tapputi-Belatekallim was referenced in the text of a
cuneiform Cuneiform is a logo- syllabic script that was used to write several languages of the Ancient Middle East. The script was in active use from the early Bronze Age until the beginning of the Common Era. It is named for the characteristic wedg ...
tablet. She is often considered the world's first recorded chemist. *500 BCE: Theano was a Pythagorean philosopher. *c. 150 BCE: Aglaonice became the first female astronomer to be recorded in Ancient Greece. *1st century BCE: A woman known only as
Fang A fang is a long, pointed tooth. In mammals, a fang is a modified maxillary tooth, used for biting and tearing flesh. In snakes, it is a specialized tooth that is associated with a venom gland (see snake venom). Spiders also have external fan ...
became the earliest recorded Chinese woman
alchemist Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...
. She is credited with "the discovery of how to turn mercury into silver" – possibly the chemical process of boiling off mercury in order to extract pure silver residue from ores. *1st century CE:
Mary the Jewess Mary or Maria the Jewess ( la, Maria Hebraea), also known as Mary the Prophetess ( la, Maria Prophetissa) or Maria the Copt ( ar, مارية القبطية, Māriyya al-Qibṭiyya), was an early alchemist known from the works of Zosimos of Pano ...
was among the world's first alchemists. *c. 300–350 CE: Greek mathematician Pandrosion develops a numerical approximation for cube roots. *c. 355–415 CE: Greek astronomer, mathematician and philosopher
Hypatia Hypatia, Koine pronunciation (born 350–370; died 415 AD) was a neoplatonist philosopher, astronomer, and mathematician, who lived in Alexandria, Egypt, then part of the Eastern Roman Empire. She was a prominent thinker in Alexandria wher ...
became renowned as a respected academic teacher, commentator on mathematics, and head of her own science academy. *3rd century CE: Cleopatra the Alchemist, an early figure in chemistry and practical alchemy, is credited as inventing the
alembic An alembic (from ar, الإنبيق, al-inbīq, originating from grc, ἄμβιξ, ambix, 'cup, beaker') is an alchemical still consisting of two vessels connected by a tube, used for distillation of liquids. Description The complete di ...
.


Middle Ages

* c. 975 CE: Chinese alchemist Keng Hsien-Seng was employed by the Royal Court. She distilled perfumes, utilized an early form of the Soxhlet process to extract camphor into alcohol, and gained recognition for her skill in using mercury to extract silver from ores. *10th century:
Al-ʻIjliyyah Al-ʻIjliyyah bint al-ʻIjliyy ( ar, العجلية بنت العجلي ) was a 10th-century maker of astrolabes active in Aleppo, in what is now northern Syria. She is sometimes known in modern popular literature as Mariam al-Asṭurlābiyya ( ar ...
manufactured
astrolabe An astrolabe ( grc, ἀστρολάβος ; ar, ٱلأَسْطُرلاب ; persian, ستاره‌یاب ) is an ancient astronomical instrument that was a handheld model of the universe. Its various functions also make it an elaborate incli ...
s for the court of
Sayf al-Dawla ʿAlī ibn ʾAbū l-Hayjāʾ ʿAbdallāh ibn Ḥamdān ibn al-Ḥārith al-Taghlibī ( ar, علي بن أبو الهيجاء عبد الله بن حمدان بن الحارث التغلبي, 22 June 916 – 9 February 967), more commonly known ...
in Aleppo. *Early 12th century: Dobrodeia of Kiev (died 1131), a Rus' princess, was the first woman to write a treatise on medicine. * Early 12th century: The Italian medical practitioner Trota of Salerno compiled medical works on women's ailments and skin diseases. * 12th century:
Adelle of the Saracens Adelle of the Saracens (active 12th century) was an Italian physician. She belonged to the Saracinensa family and was a lay teacher at the medical faculty of Salerno. Her medical practice stemmed from roots in the Salerno Medical School and she pra ...
taught at the Salerno School of Medicine. * 12th century:
Hildegard of Bingen Hildegard of Bingen (german: Hildegard von Bingen; la, Hildegardis Bingensis; 17 September 1179), also known as Saint Hildegard and the Sibyl of the Rhine, was a German Benedictine abbess and polymath active as a writer, composer, philosopher ...
(1098–1179) was a founder of scientific natural history in Germany. * 1159: The Alsatian nun Herrad of Landsberg (1130–1195) compiled the scientific compendium ''
Hortus deliciarum __NOTOC__ The ''Hortus deliciarum'' ( Latin for ''Garden of Delights'') was a medieval manuscript compiled by Herrad of Landsberg at the Hohenburg Abbey in Alsace, better known today as Mont Sainte-Odile. Description The ''Hortus deliciarum ...
''. * 1220s: Zulema the Astrologist was a Muslim astronomer in Medina Mayurqa. * Early 14th century:
Adelmota of Carrara Adelmota of Carrara (early 14th-century) was an Italian physician. She was a physician and obstetrician from Padua. The daughter of the Count of Castelnuovo, she married Prince Giovanni of Carrara.Marilyn Ogilvie & Joy Harvey Joy Dorothy Harv ...
was a physician in
Padua Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of t ...
, Italy.


16th century

* 1561: Italian alchemist Isabella Cortese published her popular book ''The Secrets of Lady Isabella Cortese''. The work included recipes for medicines, distilled oils and cosmetics, and was the only book published by a female alchemist in the 16th century. *1572: Italian botanist Loredana Marcello died from the plague – but not before developing several effective palliative formulas for plague sufferers, which were used by many physicians. *1572: Danish scientist Sophia Brahe (1556–1643) assisted her brother
Tycho Brahe Tycho Brahe ( ; born Tyge Ottesen Brahe; generally called Tycho (14 December 154624 October 1601) was a Danish astronomer, known for his comprehensive astronomical observations, generally considered to be the most accurate of his time. He was ...
with his astronomical observations. *1590: After her husband's death,
Caterina Vitale Caterina Vitale (1566–1619) was the first female pharmacist and chemist in Malta, and the first female pharmacist of the Knights Hospitaller. Caterina Vitale was originally from Greece. She married Ettore Vitale, pharmacist of the Knights ...
took over his position as chief pharmacist to the Order of St John, becoming the first woman chemist and pharmacist in
Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...
.


17th century

* 1609: French midwife Louise Bourgeois Boursier became the first woman to write a book on childbirth practices. * 1636: Anna Maria van Schurman is the first woman ever to attend university lectures. She had to sit behind a screen so that her male fellow students would not see her. * 1642:
Martine Bertereau Martine de Bertereau, also known as Baroness de Beausoleil, (c. 1600 – after 1642) was the first recorded female mineralogist as well as mining engineer along with her husband, Jean de Chastelet. She traveled extensively throughout Europe in ...
, the first recorded woman mineralogist, was imprisoned in France on suspicion of witchcraft. Bertereau had published two written works on the science of mining and
metallurgy Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys. Metallurgy encompasses both the sci ...
before being arrested. *1650:
Silesian Silesian as an adjective can mean anything from or related to Silesia. As a noun, it refers to an article, item, or person of or from Silesia. Silesian may also refer to: People and languages * Silesians, inhabitants of Silesia, either a West S ...
astronomer Maria Cunitz published '' Urania Propitia'', a work that both simplified and substantially improved Johannes Kepler's mathematical methods for locating planets. The book was published in both Latin ''and'' German, an unconventional decision that made the scientific text more accessible for non-university educated readers. *1656: French chemist and alchemist
Marie Meurdrac Marie Meurdrac ( 1610 – 1680) was a French chemist and alchemist known for writing ''La Chymie Charitable et Facile, en Faveur des Dames'' asy Chemistry for Women a treatise on chemistry aimed at common women. It is through this book that her ...
published her book ''La Chymie Charitable et Facile, en Faveur des Dames'' (Useful and Easy Chemistry, for the Benefit of Ladies). *1667:
Margaret Lucas Cavendish Margaret Lucas Cavendish, Duchess of Newcastle-upon-Tyne (1623 – 15 December 1673) was an English philosopher, poet, scientist, fiction writer and playwright. Her husband, William Cavendish, 1st Duke of Newcastle-upon-Tyne, was Royalist co ...
, Duchess of Newcastle upon Tyne (1623 – 15 December 1673) was an English aristocrat, philosopher, poet, scientist, fiction-writer, and playwright during the 17th century. She was the first woman to attend a meeting at the
Royal Society of London The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...
, in 1667, and she criticised and engaged with members and philosophers
Thomas Hobbes Thomas Hobbes ( ; 5/15 April 1588 – 4/14 December 1679) was an English philosopher, considered to be one of the founders of modern political philosophy. Hobbes is best known for his 1651 book '' Leviathan'', in which he expounds an influ ...
,
René Descartes René Descartes ( or ; ; Latinized: Renatus Cartesius; 31 March 1596 – 11 February 1650) was a French philosopher, scientist, and mathematician, widely considered a seminal figure in the emergence of modern philosophy and science. Mathe ...
, and
Robert Boyle Robert Boyle (; 25 January 1627 – 31 December 1691) was an Anglo-Irish natural philosopher, chemist, physicist, alchemist and inventor. Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of ...
. *1668: After separating from her husband, French polymath Marguerite de la Sablière established a popular
salon Salon may refer to: Common meanings * Beauty salon, a venue for cosmetic treatments * French term for a drawing room, an architectural space in a home * Salon (gathering), a meeting for learning or enjoyment Arts and entertainment * Salon ...
in Paris. Scientists and scholars from different countries visited the salon regularly to discuss ideas and share knowledge, and Sablière studied physics, astronomy and natural history with her guests. *1680: French astronomer
Jeanne Dumée Jeanne Dumée (Paris 1660 - 1706) was a French astronomer and the author of an astronomical text, ''Entretiens sur l’opinion de Copernic touchant la mobilité de la terre'' (Conversations on Copernicus’ Opinion on the Movement of the Earth). ...
published a summary of arguments supporting the Copernican theory of heliocentrism. She wrote "between the brain of a woman and that of a man there is no difference". *1685: Frisian poet and archaeologist
Titia Brongersma Titia Brongersma (Dokkum, Friesland, 1650 – Groningen, 1700) was a Frisians, Frisian poet of the late 17th century. Her book, ''De bron-swaan'', was published in 1686 and is virtually the only trace of her literary activity. She also gained prom ...
supervised the first excavation of a
dolmen A dolmen () or portal tomb is a type of single-chamber megalithic tomb, usually consisting of two or more upright megaliths supporting a large flat horizontal capstone or "table". Most date from the early Neolithic (40003000 BCE) and were so ...
in
Borger, Netherlands Borger () is a village in the Dutch province of Drenthe. It is a part of the municipality of Borger-Odoorn, and lies about 18 km east of Assen. The ''hunebed'' dolmen is the biggest ''hunebed'' of the Netherlands and has its own museum. H ...
. The excavation produced new evidence that the stone structures were graves constructed by prehistoric humans – rather than structures built by
giant In folklore, giants (from Ancient Greek: '' gigas'', cognate giga-) are beings of human-like appearance, but are at times prodigious in size and strength or bear an otherwise notable appearance. The word ''giant'' is first attested in 1297 fr ...
s, which had been the prior common belief. *1690: German-Polish astronomer Elisabetha Koopman Hevelius, widow of
Johannes Hevelius Johannes Hevelius Some sources refer to Hevelius as Polish: * * * * * * * Some sources refer to Hevelius as German: * * * * *of the Royal Society * (in German also known as ''Hevel''; pl, Jan Heweliusz; – 28 January 1687) was a councillo ...
, whom she had assisted with his observations (and, probably, computations) for over twenty years, published in his name ''Prodromus Astronomiae'', the largest and most accurate star catalog to that date. *1693–1698: German astronomer and illustrator Maria Clara Eimmart created more than 350 detailed drawings of the moon phases. *1699: German entomologist Maria Sibylla Merian, the first scientist to document the life cycle of insects for the public, embarked on a scientific expedition to
Suriname Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...
, South America. She subsequently published ''Metamorphosis insectorum Surinamensium'', a groundbreaking illustrated work on South American plants, animals and insects.


18th century

* 1702: Pioneering English entomologist
Eleanor Glanville Eleanor Glanville (born Goodricke; first married name Ashfield; 1654–1709) was an England, English entomologist and Natural history, naturalist, specializing in the Lepidopterology, study of butterflies and moths. She inherited family prop ...
captured a butterfly specimen in
Lincolnshire Lincolnshire (abbreviated Lincs.) is a county in the East Midlands of England, with a long coastline on the North Sea to the east. It borders Norfolk to the south-east, Cambridgeshire to the south, Rutland to the south-west, Leicestershir ...
, which was subsequently named the Glanville fritillary in her honour. Her extensive butterfly collection impressed fellow entomologist William Vernon, who called Glanville's work "the noblest collection of butterflies, all English, which has sham'd us". Her butterfly specimens became part of early collections in the
Natural History Museum A natural history museum or museum of natural history is a scientific institution with natural history collections that include current and historical records of animals, plants, fungi, ecosystems, geology, paleontology, climatology, and more ...
. *1702: German astronomer
Maria Kirch Maria Margaretha Kirch (''née'' Winckelmann, in historic sources named Maria Margaretha Kirchin; 25 February 1670 – 29 December 1720) was a German astronomer. She was one of the first famous astronomers of her period due to her writing on ...
became the first woman to discover a comet. *c. 1702–1744: In
Montreal, Canada Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple-p ...
, French botanist Catherine Jérémie collected plant specimens and studied their properties, sending the specimens and her detailed notes back to scientists in France. *1732: At the age of 20, Italian physicist
Laura Bassi Laura Maria Caterina Bassi Veratti (29 October 1711 – 20 February 1778) was an Italian physicist and academic. Recognized and depicted as "Minerva" (goddess of wisdom), she was the first woman to have a doctorate in science, and the second wo ...
became the first female member of the
Bologna Academy of Sciences The Academy of Sciences of the Institute of Bologna (''Accademia delle Scienze dell'Istituto di Bologna'') is an academic society in Bologna, Italy, that was founded in 1690 and prospered in the Age of Enlightenment. Today it is closely associate ...
. One month later, she publicly defended her academic theses and received a PhD. Bassi was awarded an honorary position as professor of physics at the
University of Bologna The University of Bologna ( it, Alma Mater Studiorum – Università di Bologna, UNIBO) is a public research university in Bologna, Italy. Founded in 1088 by an organised guild of students (''studiorum''), it is the oldest university in continuo ...
. She was the first female physics professor in the world. *1738: French polymath
Émilie du Châtelet Gabrielle Émilie Le Tonnelier de Breteuil, Marquise du Châtelet (; 17 December 1706 – 10 September 1749) was a French natural philosophy, natural philosopher and mathematician from the early 1730s until her maternal death, death due to compli ...
became the first woman to have a paper published by the Paris Academy, following a contest on the nature of fire. *1740: French polymath
Émilie du Châtelet Gabrielle Émilie Le Tonnelier de Breteuil, Marquise du Châtelet (; 17 December 1706 – 10 September 1749) was a French natural philosophy, natural philosopher and mathematician from the early 1730s until her maternal death, death due to compli ...
published ''Institutions de Physique'' (''Foundations of Physics'') providing a metaphysical basis for
Newtonian physics Classical mechanics is a physical theory describing the motion of macroscopic objects, from projectiles to parts of machinery, and astronomical objects, such as spacecraft, planets, stars, and galaxies. For objects governed by class ...
. *1748: Swedish agronomist Eva Ekeblad became the first woman member of the Royal Swedish Academy of Sciences. Two years earlier, she had developed a new process of using potatoes to make flour and alcohol, which subsequently lessened Sweden's reliance on wheat crops and decreased the risk of famine. *1751: 19-year-old Italian physicist Cristina Roccati received her PhD from the University of Bologna. *1753: Jane Colden, an American, was the only female biologist mentioned by
Carl Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, ...
in his masterwork ''
Species Plantarum ' (Latin for "The Species of Plants") is a book by Carl Linnaeus, originally published in 1753, which lists every species of plant known at the time, classified into genera. It is the first work to consistently apply binomial names and was the ...
''. *1755: After the death of her husband, Italian anatomist Anna Morandi Manzolini took his place at the
University of Bologna The University of Bologna ( it, Alma Mater Studiorum – Università di Bologna, UNIBO) is a public research university in Bologna, Italy. Founded in 1088 by an organised guild of students (''studiorum''), it is the oldest university in continuo ...
, becoming a professor of
anatomy Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its ...
and establishing an internationally known laboratory for anatomical research. *1757: French astronomer Nicole-Reine Lepaute worked with mathematicians Alexis Clairaut and Joseph Lalande to calculate the next arrival of
Halley's Comet Halley's Comet or Comet Halley, officially designated 1P/Halley, is a List of periodic comets, short-period comet visible from Earth every 75–79 years. Halley is the only known short-period comet that is regularly visible to the naked eye fr ...
. *1760: American horticulturalist Martha Daniell Logan began corresponding with botanic specialist and collector John Bartram, regularly exchanging seeds, plants and botanical knowledge with him. *1762: French astronomer Nicole-Reine Lepaute calculated the time and percentage of a solar eclipse that had been predicted to occur in two years time. She created a map to show the phases, and published a table of her calculations in the 1763 edition of '' Connaissance des Temps''. *1766: French chemist
Geneviève Thiroux d'Arconville Marie Geneviève Charlotte Thiroux d'Arconville (''née'' Darlus, also known as la présidente Thiroux d’Arconville and Geneviève Thiroux d'Arconville) (17 October 1720 – 23 December 1805), was a French novelist, translator and chemist who is ...
published her study on
putrefaction Putrefaction is the fifth stage of death, following pallor mortis, algor mortis, rigor mortis, and livor mortis. This process references the breaking down of a body of an animal, such as a human, post-mortem. In broad terms, it can be vie ...
. The book presented her observations from more than 300 experiments over the span of five years, during which she attempted to discover factors necessary for the preservation of beef, eggs, and other foods. Her work was recommended for
royal privilege A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A p ...
by fellow chemist Pierre-Joseph Macquer. *c. 1775: Herbalist/botanist Jeanne Baret becomes the first woman to circumnavigate the globe. *1776: At the
University of Bologna The University of Bologna ( it, Alma Mater Studiorum – Università di Bologna, UNIBO) is a public research university in Bologna, Italy. Founded in 1088 by an organised guild of students (''studiorum''), it is the oldest university in continuo ...
, Italian physicist
Laura Bassi Laura Maria Caterina Bassi Veratti (29 October 1711 – 20 February 1778) was an Italian physicist and academic. Recognized and depicted as "Minerva" (goddess of wisdom), she was the first woman to have a doctorate in science, and the second wo ...
became the first woman appointed as chair of physics at a university. *1776: Christine Kirch received a respectable salary of 400 Thaler for calendar-making. See also her sister
Margaretha Kirch Margaretha Kirch (b. ca. 1703, d. after 1744) was a German astronomer. Early life She was the daughter of the astronomers Gottfried Kirch and Maria Margarethe Kirch and the sister of Christfried Kirch. She and her sister Christine Kirch Christi ...
*1782–1791: French chemist and mineralogist
Claudine Picardet Claudine Picardet (born Poullet, later Guyton de Morveau) (7 August 1735 – 4 October 1820) was a chemist, mineralogist, meteorologist and scientific translator. Among the French chemists of the late eighteenth century she stands out for her e ...
translated more than 800 pages of Swedish, German, English and Italian scientific papers into French, enabling French scientists to better discuss and utilize international research in chemistry, mineralogy and astronomy. *c. 1787–1797: Self-taught Chinese astronomer Wang Zhenyi published at least twelve books and multiple articles on astronomy and mathematics. Using a lamp, a mirror and a table, she once created a famous scientific exhibit designed to accurately simulate a lunar eclipse. *1786–1797: German astronomer Caroline Herschel discovered eight new comets, along with numerous other discoveries. *1789: French astronomer
Louise du Pierry Louise du Pierry or Dupiery, née ''Elisabeth Louise Felicité Pourra de la Madeleine'' (30 July 1746 – 27 February 1807), was a French astronomer and professor. Life She was born in La Ferté-Bernard, in the French province of Maine, on 1 Augu ...
, the first Parisian woman to become an astronomy professor, taught the first astronomy courses specifically open to female students. *1794: British chemist Elizabeth Fulhame invented the concept of
catalysis Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recycl ...
and published a book on her findings. *c. 1796–1820: During the reign of the Jiaqing Emperor, astronomer
Huang Lü Huang Lü (fl. 1769–1829), was a Chinese scientist. She was the first woman in China to work with optics and photographic images.Lily Xiao Hong Lee, Clara Lau, A.D. StefanowskaBiographical Dictionary of Chinese Women: v. 1: The Qing Period, 1644� ...
became the first Chinese woman to work with optics and photographic images. She developed a telescope that could take simple photographic images using photosensitive paper. *1797: English science writer and schoolmistress Margaret Bryan published ''A Compendious System of Astronomy'', including an engraving of herself and her two daughters. She dedicated the book to her students.


Early 19th century

*1808:
Anna Sundström Anna Sundström, born as ''Anna Christina Persdotter'' (26 February 1785 in Kymlinge, Spånga – 1871), was a Swedish chemist. She was the assistant of the chemist Jöns Jacob Berzelius from 1808 to 1836. Anna Sundström has been referred to ...
began assisting Jacob Berzelius in his laboratory, becoming one of the first Swedish women chemists. *1809: Sabina Baldoncelli earned her university degree in pharmacy but was allowed to work only in the Italian orphanage where she resided. *1815: English archaeologist
Lady Hester Stanhope Lady Hester Lucy Stanhope (12 March 1776 – 23 June 1839) was a British aristocrat, adventurer, antiquarian, and one of the most famous travellers of her age. Her archaeological excavation of Ashkelon in 1815 is considered the first t ...
used a medieval Italian manuscript to locate a promising archaeological site in
Ashkelon Ashkelon or Ashqelon (; Hebrew: , , ; Philistine: ), also known as Ascalon (; Ancient Greek: , ; Arabic: , ), is a coastal city in the Southern District of Israel on the Mediterranean coast, south of Tel Aviv, and north of the border ...
, becoming the first archaeologist to begin an excavation in the Palestinian region. It was one of the earliest examples of the use of textual sources in field archaeology. *1816: French mathematician and physicist Sophie Germain became the first woman to win a prize from the
Paris Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at ...
for her work on
elasticity theory In physics and materials science, elasticity is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed. Solid objects will deform when adequate loads are ...
. *1823: English palaeontologist and fossil collector
Mary Anning Mary Anning (21 May 1799 – 9 March 1847) was an English fossil collector, dealer, and palaeontologist who became known around the world for the discoveries she made in Jurassic marine fossil beds in the cliffs along the English Channe ...
discovered the first complete ''
Plesiosaurus ''Plesiosaurus'' (Greek: ' ('), near to + ' ('), lizard) is a genus of extinct, large marine sauropterygian reptile that lived during the Early Jurassic. It is known by nearly complete skeletons from the Lias of England. It is distinguishable by ...
''. *1831: Italian botanist
Elisabetta Fiorini Mazzanti Elisabetta Fiorini Mazzanti (3 June 1799 – 23 April 1879), was an Italian botanist and writer. She was known for her work in bryology and algae. In scientific literature, she is referred to by the abbreviation Fior.-Mazz. Early years Elisa ...
published her best-known work ''Specimen Bryologiae Romanae.'' *1830–1837: Belgian botanist Marie-Anne Libert published her four-volume ''Plantae cryptogamicae des Ardennes'', a collection of 400 species of mosses, ferns, lichen, algae and fungi from the
Ardennes The Ardennes (french: Ardenne ; nl, Ardennen ; german: Ardennen; wa, Årdene ; lb, Ardennen ), also known as the Ardennes Forest or Forest of Ardennes, is a region of extensive forests, rough terrain, rolling hills and ridges primarily in Be ...
region. Her contributions to systemic cryptogamic studies were formally recognized by Prussian emperor Friedrich Wilhelm III, and Libert received a gold medal of merit. *1832: French marine biologist Jeanne Villepreux-Power invented the first glass aquarium, using it to assist in her scientific observations of '' Argonauta argo''. *1833: English
phycologists Phycology () is the scientific study of algae. Also known as algology, phycology is a branch of life science. Algae are important as primary producers in aquatic ecosystems. Most algae are eukaryotic, photosynthetic organisms that live in ...
Amelia Griffiths Amelia Griffiths (1768–1858), often referred to in contemporary works as Mrs Griffiths of Torquay, was a beachcomber and amateur phycologist who made many important collections of marine algae specimens. Personal life Amelia Warren Rogers was ...
and Mary Wyatt published two books on local British seaweeds. Griffiths had an internationally respected reputation as a skilled seaweed collector and scholar, and Swedish botanist
Carl Agardh Carl Adolph Agardh (23 January 1785 in Båstad, Sweden – 28 January 1859 in Karlstad) was a Swedish botanist specializing in algae, who was eventually appointed bishop of Karlstad. Biography In 1807 he was appointed teacher of mathematics a ...
had earlier named the seaweed genus ''
Griffithsia ''Griffithsia'' is a genus of red algae in the family Wrangeliaceae. Carl Adolph Agardh named ''Griffithsia'' in the honour of phycologist Amelia Griffiths (1768–1858). Griffithsin is a protein isolated from species of ''Griffithsia''. Spe ...
'' in her honour. *1833 Orra White Hitchcock (March 8, 1796 – May 26, 1863) was one of America's earliest women botanical and scientific illustrators and artists, best known for illustrating the scientific works of her husband, geologist Edward Hitchcock (1793–1864), but also notable for her own artistic and scientific work. The most well known appear in her husband's seminal works, the 1833 ''Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts'' and its successor, the 1841 ''Final Report'' produced when he was State Geologist. For the 1833 edition, Pendleton's Lithography (Boston)
lithographed Lithography () is a planographic method of printing originally based on the immiscibility of oil and water. The printing is from a stone ( lithographic limestone) or a metal plate with a smooth surface. It was invented in 1796 by the German ...
nine of Hitchcock's Connecticut River Valley drawings and printed them as plates for the work. In 1841, B. W. Thayer and Co., Lithographers (Boston) printed revised lithographs and an additional plate. The hand-colored plate "Autumnal Scenery. View in Amherst" is Hitchcock's most frequently seen work. *1835: Scottish polymath Mary Somerville and German astronomer Caroline Herschel were elected the first female members of the
Royal Astronomical Society (Whatever shines should be observed) , predecessor = , successor = , formation = , founder = , extinction = , merger = , merged = , type = NG ...
. *1836: Early English geologist and
paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of foss ...
Etheldred Benett Etheldred Anna Maria Benett (22 July 1776 – 11 January 1845) was an early English geologist often credited with being the first female geologist, having devoted much of her life to collecting and studying fossils that she discovered in So ...
, known for her extensive collection of several thousand fossils, was appointed a member of the Imperial Natural History Society of Moscow. The society – which only admitted men at the time – initially mistook Benett for a man due to her reputation as a scientist and her unusual first name, addressing her diploma of admission to "Dominum" (Master) Benett. *1840: Scottish fossil collector and illustrator Lady Eliza Maria Gordon-Cumming invited geologists
Louis Agassiz Jean Louis Rodolphe Agassiz ( ; ) FRS (For) FRSE (May 28, 1807 – December 14, 1873) was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history. Spending his early life in Switzerland, he rec ...
, William Buckland and
Roderick Murchison Sir Roderick Impey Murchison, 1st Baronet, (19 February 1792 – 22 October 1871) was a Scottish geologist who served as director-general of the British Geological Survey from 1855 until his death in 1871. He is noted for investigating and d ...
to examine her collection of fish fossils. Agassiz confirmed several of Gordon-Cumming's discoveries as new species. *1843: During a nine-month period in 1842–43, English mathematician
Ada Lovelace Augusta Ada King, Countess of Lovelace ('' née'' Byron; 10 December 1815 – 27 November 1852) was an English mathematician and writer, chiefly known for her work on Charles Babbage's proposed mechanical general-purpose computer, the ...
translated Luigi Menabrea's article on
Charles Babbage Charles Babbage (; 26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer. Babbage is considered ...
's newest proposed machine, the Analytical Engine. With the article, she appended a set of notes. Her notes were labelled alphabetically from A to G. In note G, she describes an algorithm for the Analytical Engine to compute Bernoulli numbers. It is considered the first published algorithm ever specifically tailored for implementation on a computer, and Ada Lovelace has often been cited as the first computer programmer for this reason. The engine was never completed, so her program was never tested. *1843: British botanist and pioneering photographer
Anna Atkins Anna Atkins (née Children; 16 March 1799 – 9 June 1871) was an English botanist and photographer. She is often considered the first person to publish a book illustrated with photographic images. Some sources say that she was the first wom ...
self-published her book ''Photographs of British Algae'', illustrating the work with cyanotypes. Her book was the first book on any subject to be illustrated by photographs. *1846: British zoologist
Anna Thynne Anna Constantia Thynne, Lady John Thynne (née Beresford; 1806–1866) was a British marine zoologist.Stott, Rebecca, ''Theatres of Glass: The woman who brought the sea to the city'', Short Books, 2003. In 1846, she built the first stable and su ...
built the first stable, self-sustaining marine aquarium. * 1848: American astronomer Maria Mitchell became the first woman elected to the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (abbreviation: AAA&S) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, ...
; she had discovered a new comet the year before. *1848–1849: English scientist Mary Anne Whitby, a pioneer in western
silkworm cultivation Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, '' Bombyx mori'' (the caterpillar of the domestic silkmoth) is the most widely used and intensively stud ...
, collaborated with Charles Darwin in researching the hereditary qualities of silkworms. *1850: The
American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsi ...
s accepted its first women members: astronomer Maria Mitchell, entomologist Margaretta Morris, and science educator Almira Hart Lincoln Phelps.


Late 19th century

* 1854: Mary Horner Lyell was a conchologist and
geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, alt ...
. She is most well known for her scientific work in 1854, where she studied her collection of land snails from the
Canary Islands The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Mo ...
. She was married to the notable British geologist
Charles Lyell Sir Charles Lyell, 1st Baronet, (14 November 1797 – 22 February 1875) was a Scottish geologist who demonstrated the power of known natural causes in explaining the earth's history. He is best known as the author of '' Principles of Geol ...
and assisted him in his scientific work. It is believed by historians that she likely made major contributions to her husband's work. * 1854–1855:
Florence Nightingale Florence Nightingale (; 12 May 1820 – 13 August 1910) was an English social reformer, statistician and the founder of modern nursing. Nightingale came to prominence while serving as a manager and trainer of nurses during the Crimean War, i ...
organized care for wounded soldiers during the
Crimean War The Crimean War, , was fought from October 1853 to February 1856 between Russia and an ultimately victorious alliance of the Ottoman Empire, France, the United Kingdom and Piedmont-Sardinia. Geopolitical causes of the war included t ...
. She was an English social reformer and statistician, and the founder of modern nursing. Her pie charts clearly showed that most deaths resulted from disease rather than battle wounds or "other causes," which led the general public to demand improved sanitation at field hospitals. * 1855: Working with her father, Welsh astronomer and photographer Thereza Dillwyn Llewelyn produced some of the earliest photographs of the moon. *1856: American atmospheric scientist Eunice Newton Foote presented her paper "Circumstances affecting the heat of the sun's rays" at an annual meeting of the
American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsi ...
s. She was an early researcher of the
greenhouse effect The greenhouse effect is a process that occurs when energy from a planet's host star goes through the planet's atmosphere and heats the planet's surface, but greenhouse gases in the atmosphere prevent some of the heat from returning directly ...
. *1862: Belgian botanist Marie-Anne Libert became the first woman to join the Royal Botanical Society of Belgium. She was named an honorary member. *1863: German naturalist
Amalie Dietrich Koncordie Amalie Dietrich (née Nelle) (26 May 1821 – 9 March 1891) was a German naturalist who was best known for her work in Australia from 1863 to 1872, collecting specimens for the Museum Godeffroy in Hamburg. Australia Dietrich was one ...
arrived in Australia to collect plant, animal and anthropological specimens for the German
Godeffroy Museum The Museum Godeffroy was a museum in Hamburg, Germany, which existed from 1861 to 1885. The collection was founded by Johann Cesar VI. Godeffroy, who became a wealthy shipping magnate a few years after the expansion of the trade towards Australia ...
. She remained in Australia for the next decade, discovering a number of new plant and animal species in the process, but also became notorious in later years for her removal of
Aboriginal Aborigine, aborigine or aboriginal may refer to: *Aborigines (mythology), in Roman mythology * Indigenous peoples, general term for ethnic groups who are the earliest known inhabitants of an area *One of several groups of indigenous peoples, see ...
skeletons – and the possible incitement of violence against Aboriginal people – for anthropological research purposes. *1865: English geologist Elizabeth Carne was elected the first female Fellow of the
Royal Geological Society of Cornwall The Royal Geological Society of Cornwall is a geological society based in Penzance, Cornwall in the United Kingdom. It was founded in 1814 to promote the study of the geology of Cornwall, and is the second oldest geological society in the world, ...
.


1870s

*1869/1870: American beekeeper
Ellen Smith Tupper Ellen Smith Tupper (April 9, 1822 – March 12, 1888) was an American writer, expert beekeeper and the first female editor of an entomological journal. Early life Ellen Smith was born in Providence, Rhode Island, the daughter of Noah Smith and ...
became the first female editor of an entomological journal. * 1870: Katharine Murray Lyell was a British botanist, author of an early book on the worldwide distribution of ferns, and editor of volumes of the correspondence of several of the era's notable scientists. * 1870:
Ellen Swallow Richards Ellen Henrietta Swallow Richards (December 3, 1842 – March 30, 1911) was an American industrial and safety engineer, environmental chemist, and university faculty member in the United States during the 19th century. Her pioneering work in ...
became the first American woman to earn a degree in chemistry. *1870: Russian chemist Anna Volkova became the first woman member of the
Russian Chemical Society Russian(s) refers to anything related to Russia, including: * Russians (, ''russkiye''), an ethnic group of the East Slavic peoples, primarily living in Russia and neighboring countries * Rossiyane (), Russian language term for all citizens and ...
. *1874: Julia Lermontova became the first Russian woman to receive a PhD in chemistry. *1875: Hungarian archaeologist
Zsófia Torma Zsófia Torma (26 September 1832 – 14 November 1899) was a Hungarian archaeologist, anthropologist and paleontologist. Life and work Torma was born in Csicsókeresztúr, Beszterce-Naszód County, Austria-Hungary (today Cristeștii Ciceulu ...
excavated the site of Turdaș-Luncă in
Hunedoara County Hunedoara County () is a county (''județ'') of Romania, in Transylvania, with its capital city at Deva. The county is part of the Danube–Criș–Mureș–Tisa Euroregion. Name In Hungarian, it is known as , in German as , and in Slovak ...
, today in
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, a ...
. The site, which uncovered valuable prehistoric artifacts, became one of the most important archaeological discoveries in Europe. *1876–1878: American naturalist Mary Treat studied
insectivorous plants Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods. Carnivorous plants still generate some of their energy from photosynthesis. Car ...
in Florida. Her contributions to the scientific understanding of how these plants caught and digested prey were acknowledged by
Charles Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English natural history#Before 1900, naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all speci ...
and
Asa Gray Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botanist of the 19th century. His '' Darwiniana'' was considered an important explanation of how religion and science were not necessarily mutually ex ...
. *1878: English entomologist Eleanor Anne Ormerod became the first female Fellow of the
Royal Meteorological Society The Royal Meteorological Society is a long-established institution that promotes academic and public engagement in weather and climate science. Fellows of the Society must possess relevant qualifications, but Associate Fellows can be lay enthus ...
. A few years afterwards, she was appointed as Consulting Entomologist to the Royal Agricultural Society.


1880s

* 1880: Self-taught German chemist Agnes Pockels began investigating surface tension, becoming a pioneering figure in the field of
surface science Surface science is the study of physical and chemical phenomena that occur at the interface of two phases, including solid–liquid interfaces, solid– gas interfaces, solid– vacuum interfaces, and liquid– gas interfaces. It includes t ...
. The measurement equipment she developed provided the basic foundation for modern quantitative analyses of surface films. *1883: American ethnologist
Erminnie A. Smith Erminnie A. Smith, ''née'' Erminnie Adelle Platt (April 26, 1836– June 9, 1886) was a linguist, ethnologist, anthropologist and geologist who worked at the Smithsonian Institution's Bureau of American Ethnology. She has been called the "firs ...
, the first woman field ethnographer, published her collection of
Iroquois The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian-speaking confederacy of First Nations peoples in northeast North America/ Turtle Island. They were known during the colonial years to ...
legends ''Myths of the Iroquois''. *1884: English zoologist Alice Johnson's paper on newt embryos became the first paper authored by a woman to appear in the '' Proceedings of the Royal Society''. *1885: British naturalist Marian Farquharson became the first female Fellow of the
Royal Microscopical Society The Royal Microscopical Society (RMS) is a learned society for the promotion of microscopy. It was founded in 1839 as the Microscopical Society of London making it the oldest organisation of its kind in the world. In 1866, the society gained its ...
. *1886: Botanist
Emily Lovira Gregory Emily Lovira Gregory (1840–1897) was an American botanist born in Portage, New York. She began her educational career by receiving her Bachelor's of Arts from Cornell University in 1881, later earning a Ph.D. at the University of Zurich. T ...
became the first woman member of the
American Society of Naturalists The American Society of Naturalists was founded in 1883 and is one of the oldest professional societies dedicated to the biological sciences in North America. The purpose of the Society is "to advance and diffuse knowledge of organic evolution and o ...
. *1887: Rachel Lloyd became the first American woman to receive a PhD in chemistry, completing her research at the Swiss
University of Zurich The University of Zürich (UZH, german: Universität Zürich) is a public research university located in the city of Zürich, Switzerland. It is the largest university in Switzerland, with its 28,000 enrolled students. It was founded in 1833 ...
. *1888: Russian scientist
Sofia Kovalevskaya Sofya Vasilyevna Kovalevskaya (russian: link=no, Софья Васильевна Ковалевская), born Korvin-Krukovskaya ( – 10 February 1891), was a Russian mathematician who made noteworthy contributions to analysis, partial differen ...
discovered the Kovalevskaya top, one of a brief list of known rigid body motion examples that are tractable by manipulating equations by hand. *1888: American chemist Josephine Silone Yates was appointed head of the Department of Natural Sciences at Lincoln Institute (later Lincoln University), becoming the first black woman to head a college science department. * 1889: Geologist Mary Emilie Holmes became the first female Fellow of the
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
.


1890s

*1890: Austrian-born chemist
Ida Freund Ida Freund (15 April 1863 – 15 May 1914) was the first woman to be a university chemistry lecturer in the United Kingdom. She is known for her influence on science teaching, particularly the teaching of women and girls. She wrote two key chem ...
became the first woman to work as a university chemistry lecturer in the United Kingdom. She was promoted to full lecturer at
Newnham College, Cambridge Newnham College is a women's constituent college of the University of Cambridge. The college was founded in 1871 by a group organising Lectures for Ladies, members of which included philosopher Henry Sidgwick and suffragist campaigner Millicent ...
. *1890: Popular science educator and author Agnes Giberne co-founded the
British Astronomical Association The British Astronomical Association (BAA) was formed in 1890 as a national body to support the UK's amateur astronomers. Throughout its history, the BAA has encouraged observers to make scientifically valuable observations, often in collaborat ...
. Subsequently, English astronomer Elizabeth Brown was appointed the Director of the association's Solar Section, well known for her studies in sunspots and other solar phenomena. *1890: Mathematician
Philippa Fawcett Philippa Garrett Fawcett (4 April 1868 – 10 June 1948) was an English mathematician and educationalist. She was the first woman to obtain the top score in the Cambridge Mathematical Tripos exams. She taught at Newnham College, Cambridge, and at ...
became the first woman to obtain the highest score in the
Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge beca ...
Mathematical Tripos The Mathematical Tripos is the mathematics course that is taught in the Faculty of Mathematics at the University of Cambridge. It is the oldest Tripos examined at the University. Origin In its classical nineteenth-century form, the tripos was a ...
examinations, a score "above the
Senior Wrangler The Senior Frog Wrangler is the top mathematics undergraduate at the University of Cambridge in England, a position which has been described as "the greatest intellectual achievement attainable in Britain." Specifically, it is the person who ...
". (At the time, women were ineligible to be named Senior Wrangler.) *1891: American-born astronomer Dorothea Klumpke was appointed as Head of the Bureau of Measurements at the
Paris Observatory The Paris Observatory (french: Observatoire de Paris ), a research institution of the Paris Sciences et Lettres University, is the foremost astronomical observatory of France, and one of the largest astronomical centers in the world. Its hist ...
. For the next decade, in addition to completing her doctorate of science, she worked on the
Carte du Ciel The Carte du Ciel (literally, 'Map of the Sky') and the Astrographic Catalogue (or Astrographic Chart) were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue an ...
mapping project. She was recognized for her work with the first Prix de Dames award from the
Société astronomique de France The Société astronomique de France (SAF; ), the French astronomical society, is a non-profit association in the public interest organized under French law ( Association loi de 1901). Founded by astronomer Camille Flammarion in 1887, its purpos ...
and named an Officier of the
Paris Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at ...
. *1892: American psychologist
Christine Ladd-Franklin Christine Ladd-Franklin (December 1, 1847 – March 5, 1930) was an American psychologist, logician, and mathematician. Early life and education Christine Ladd, sometimes known by her nickname "Kitty", was born on December 1, 1847, in Win ...
presented her evolutionary theory on the development of colour vision to the International Congress of Psychology. Her theory was the first to emphasize colour vision as an evolutionary trait. * 1893: Florence Bascom became the second woman to earn her PhD in geology in the United States, and the first woman to receive a PhD from
Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hemisphere. It consiste ...
. Geologists consider her to be the "first woman geologist in this country (America)". *1893: American botanist Elizabeth Gertrude Britton became a charter member of the
Botanical Society of America The Botanical Society of America (BSA) represents professional and amateur botanists, researchers, educators and students in over 80 countries of the world. It functions as a United States nonprofit 501(c)(3) membership society. History The s ...
. *1894: American astronomer Margaretta Palmer becomes the first woman to earn a doctorate in astronomy. *1895: English physiologist
Marion Bidder Marion Bidder (née Greenwood) (26 August 1862 – 25 September 1932) was an English physiologist and one of the first women to do independent research in Cambridge. For nearly a decade, she was in charge of the Balfour Laboratory in Cambridge ...
became the first woman to speak and present her own paper at a meeting of the
Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, r ...
. * 1896: Florence Bascom became the first woman to work for the
United States Geological Survey The United States Geological Survey (USGS), formerly simply known as the Geological Survey, is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, ...
. *1896: English mycologist and lichenologist Annie Lorrain Smith became a founding member of the
British Mycological Society The British Mycological Society is a learned society established in 1896 to promote the study of fungi. Formation The British Mycological Society (BMS) was formed by the combined efforts of two local societies: the Woolhope Naturalists' Field ...
. She later served as president twice. *1897: American cytologists and zoologists
Katharine Foot Katharine Foot (October 14, 1852 – 1944) was an American Zoology, zoologist and Cell biology, cytologist who conducted research with her laboratory partner, Ella Church Strobell. They were known for their advances in developing new techniques fo ...
and
Ella Church Strobell Ella Church Strobell (1862–1920) was an American cytologist and zoologist who frequently collaborated with Katharine Foot, Katherine Foot. Biography Ella Church Strobell was born on June 26, 1862. She was educated privately by tutors. In 191 ...
started working as research partners. Together, they pioneered the practice of photographing microscopic research samples and invented a new technique for creating thin material samples in colder temperatures. *1897: American physicist Isabelle Stone became the first woman to receive a PhD in physics in the United States. She wrote her dissertation "On the Electrical Resistance of Thin Films" at the
University of Chicago The University of Chicago (UChicago, Chicago, U of C, or UChi) is a private university, private research university in Chicago, Illinois. Its main campus is located in Chicago's Hyde Park, Chicago, Hyde Park neighborhood. The University of Chic ...
. *1898: Danish physicist
Kirstine Meyer Kirstine Bjerrum Meyer (12 October 1861 – 28 September 1941) was a Danish physicist and was first woman from her country to earn a doctorate in natural sciences. Biography Kirstine Bjerrum was born in Skærbæk, Denmark and died in Hellerup. ...
was awarded the gold medal of the
Royal Danish Academy of Sciences and Letters {{Infobox organization , name = The Royal Danish Academy of Sciences and Letters , full_name = , native_name = Det Kongelige Danske Videnskabernes Selskab , native_name_lang = , logo = Royal ...
. *1898: Italian
malacologist Malacology is the branch of invertebrate zoology that deals with the study of the Mollusca (mollusks or molluscs), the second-largest phylum of animals in terms of described species after the arthropods. Mollusks include snails and slugs, clams, ...
Marianna Paulucci Marquise Marianna Panciatichi Ximenes d’Aragona Paulucci (3 February 1835 – 7 December 1919) was an Italian malacologist who also made contributions to botany and ornithology. A specialist in non-marine molluscs, she published 32 malacologi ...
donated her collection of specimens to the Royal Museum of Natural History in Florence, Italy ( Museo di Storia Naturale di Firenze). Paulucci was the first scientist to compile and publish a species list of Italian
malacofauna Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is estim ...
. *1899: American physicists
Marcia Keith Marcia Anna Keith (1859–1950) was a physicist, teacher of physics to women, and a charter member of the American Physical Society since its founding in 1899. Early life and education Marcia Keith was born in Brockton, Massachusetts on 10 Sep ...
and Isabelle Stone became charter members of the American Physical Society. *1899: Irish physicist
Edith Anne Stoney Edith Anne Stoney (6 January 1869 – 25 June 1938) was a physicist born in Dublin in an old-established Anglo-Irish scientific family. She is considered to be the first woman medical physics, medical physicist. Early life and family Edith S ...
was appointed a physics lecturer at the
London School of Medicine for Women The London School of Medicine for Women (LSMW) established in 1874 was the first medical school in Britain to train women as doctors. The patrons, vice-presidents, and members of the committee that supported and helped found the London School of M ...
, becoming the first woman
medical physicist A medical physicist is a health professional with specialist education and training in the concepts and techniques of applying physics in medicine and competent to practice independently in one or more of the subfields (specialties) of medical phys ...
. She later became a pioneering figure in the use of
X-ray machines An X-ray generator is a device that produces X-rays. Together with an X-ray detector, it is commonly used in a variety of applications including medicine, X-ray fluorescence, electronic assembly inspection, and measurement of material thickness ...
on the front lines of
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
.


Early 20th century


1900s

*1900: American botanist Anna Murray Vail became the first librarian of the New York Botanical Garden. A key supporter of the institution's establishment, she had earlier donated her entire collection of 3000 botanical specimens to the garden. *1900: Physicists
Marie Curie Marie Salomea Skłodowska–Curie ( , , ; born Maria Salomea Skłodowska, ; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first ...
and Isabelle Stone attended the first International Congress of Physics in
Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. ...
, France. They were the only two women out of 836 participants. *1901: American Florence Bascom became the first female geologist to present a paper before the Geological Survey of Washington. *1901: Czech botanist and zoologist
Marie Zdeňka Baborová-Čiháková Dr. Marie Zdeňka Baborová-Čiháková (17 January 1877, Prague - 29 September 1937, Čelákovice) was the first female Czech botanist and zoologist. Works * See also *Timeline of women in science This is a timeline of women in science, s ...
became the first woman in the Czech Republic to receive a PhD. * 1901: American astronomer
Annie Jump Cannon Annie Jump Cannon (; December 11, 1863 – April 13, 1941) was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C. Pickering, she is credited with the creation of ...
published her first catalog of stellar spectra, which classified stars by temperature. This method was universally and permanently adopted by other astronomers. * 1903: Grace Coleridge Frankland née Toynbee was an English microbiologist. Her most notable work was ''Bacteria in Daily Life''. She was one of the nineteen female scientists who wrote the
1904 petition to the Chemical Society The 1904 petition to the Chemical Society was a petition written by 19 female chemists setting out the reasons why they should be afforded the status of Fellow of the Chemical Society. The petition is of importance as it eventually led to the admis ...
to request that they should create some female fellows of the society. * 1903: Polish-born physicist and chemist
Marie Curie Marie Salomea Skłodowska–Curie ( , , ; born Maria Salomea Skłodowska, ; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first ...
became the first woman to receive a Nobel Prize when she received the
Nobel Prize in Physics ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then " ...
along with her husband,
Pierre Curie Pierre Curie ( , ; 15 May 1859 – 19 April 1906) was a French physicist, a pioneer in crystallography, magnetism, piezoelectricity, and radioactivity. In 1903, he received the Nobel Prize in Physics with his wife, Marie Curie, and Henri Becq ...
, "for their joint researches on the
radiation In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: * ''electromagnetic radiation'', such as radio waves, microwaves, infrared, vi ...
phenomena discovered by Professor Henri Becquerel", and
Henri Becquerel Antoine Henri Becquerel (; 15 December 1852 – 25 August 1908) was a French engineer, physicist, Nobel laureate, and the first person to discover evidence of radioactivity. For work in this field he, along with Marie Skłodowska-Curie and Pi ...
, "for his discovery of spontaneous radioactivity". *1904: American geographer, geologist and educator Zonia Baber published her article "The Scope of Geography", in which she laid out her educational theories on the teaching of geography. She argued that students required a more interdisciplinary, experiential approach to learning geography: instead of a reliance on textbooks, students needed field-trips, lab work and map-making knowledge. Baber's educational ideas transformed the way schools taught geography. *1904: British chemists
Ida Smedley Ida Smedley Maclean (born Ida Smedley 14 June 1877, died 2 March 1944) was an English biochemist and the first woman admitted to the London Chemical Society. Early life and education Ida was born in Birmingham to William Smedley, a businessman ...
,
Ida Freund Ida Freund (15 April 1863 – 15 May 1914) was the first woman to be a university chemistry lecturer in the United Kingdom. She is known for her influence on science teaching, particularly the teaching of women and girls. She wrote two key chem ...
and Martha Whiteley organized a petition asking the Chemical Society to admit women as Fellows. A total of 19 female chemists became signatories, but their petition was denied by the society. *1904:
Marie Charlotte Carmichael Stopes Marie Charlotte Carmichael Stopes (15 October 1880 – 2 October 1958) was a British author, palaeobotanist and campaigner for eugenics and women's rights. She made significant contributions to plant palaeontology and coal classificati ...
(15 October 1880 – 2 October 1958) was a British author, palaeobotanist and campaigner for
women's rights Women's rights are the rights and entitlements claimed for women and girls worldwide. They formed the basis for the women's rights movement in the 19th century and the feminist movements during the 20th and 21st centuries. In some countr ...
. She made significant contributions to plant palaeontology and coal classification. She held the post of Lecturer in Palaeobotany at the
University of Manchester The University of Manchester is a public university, public research university in Manchester, England. The main campus is south of Manchester city centre, Manchester City Centre on Wilmslow Road, Oxford Road. The university owns and operates majo ...
from 1904 to 1910; in this capacity she became the first female academic of that university. In 1909 she was elected to the
Linnean Society of London The Linnean Society of London is a learned society dedicated to the study and dissemination of information concerning natural history, evolution, and taxonomy. It possesses several important biological specimen, manuscript and literature colle ...
. She was 26 at the time of her election to Fellowship (the youngest woman admitted at that time). *1904: In a December meeting, the
Linnean Society of London The Linnean Society of London is a learned society dedicated to the study and dissemination of information concerning natural history, evolution, and taxonomy. It possesses several important biological specimen, manuscript and literature colle ...
elected its first women Fellows. These initial women included horticulturalist Ellen Willmott, ornithologist Emma Turner, biologist Lilian Jane Gould, mycologists Gulielma Lister and Annie Lorrain Smith, and botanists
Mary Anne Stebbing Mary Anne Stebbing FLS (''née'' Saunders; 11 September 1845 – 21 January 1927) was a botanist and botanical illustrator. She was among the first women to be admitted to the Linnean Society. Personal life Stebbing was the daughter of botan ...
, Margaret Jane Benson and Ethel Sargant. *1905: American geneticist Nettie Stevens discovered sex chromosomes. * 1906: Following the San Francisco earthquake, American botanist and curator
Alice Eastwood __NOTOC__ Alice Eastwood (January 19, 1859 – October 30, 1953) was a Canadian American botanist. She is credited with building the botanical collection at the California Academy of Sciences, in San Francisco. She published over 310 scient ...
rescued almost 1500 rare plant specimens from the burning
California Academy of Sciences The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens. The Academy began in 18 ...
building. Her curation system of keeping type specimens separate from other collections – unconventional at the time – allowed her to quickly find and retrieve the specimens. *1906: Russian chemist
Irma Goldberg Irma Goldberg (born 1871) was one of the first female organic chemists to have and sustain a successful career, her work even being quoted in her own name in standard textbooks. Life Education Born in Moscow to a Russian-Jewish family, she later ...
published a paper on two newly discovered chemical reactions involving the presence of copper and the creation of a nitrogen-carbon bond to an aromatic halide. These reactions were subsequently named the Goldberg reaction and the Jourdan-Ullman-Goldberg reaction. *1906: English physicist, mathematician and engineer
Hertha Ayrton Phoebe Sarah Hertha Ayrton (28 April 1854 – 26 August 1923) was a British engineer, mathematician, physicist and inventor, and suffragette. Known in adult life as Hertha Ayrton, born Phoebe Sarah Marks, she was awarded the Hughes Medal by the ...
became the first female recipient of the
Hughes Medal The Hughes Medal is awarded by the Royal Society of London "in recognition of an original discovery in the physical sciences, particularly electricity and magnetism or their applications". Named after David E. Hughes, the medal is awarded with ...
from the
Royal Society of London The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...
. She received the award for her experimental research on
electric arc An electric arc, or arc discharge, is an electrical breakdown of a gas that produces a prolonged electrical discharge. The electric current, current through a normally Electrical conductance, nonconductive medium such as air produces a plasma (p ...
s and sand ripples. *1906: After her death, English
lepidopterist Lepidopterology ()) is a branch of entomology concerning the scientific study of moths and the three superfamilies of butterflies. Someone who studies in this field is a lepidopterist or, archaically, an aurelian. Origins Post- Renaissance, t ...
Emma Hutchinson Emma Sarah Hutchinson (1820–1906) was a Victorian lepidopterist who authored the 1879 book ''Entomology and Botany as Pursuits for Ladies'' and published in ''The Entomologist's Record and Journal of Variation''. She reared butterflies and moth ...
's collection of 20,000 butterflies and moths was donated to the
London Natural History Museum The Natural History Museum in London is a museum that exhibits a vast range of specimens from various segments of natural history. It is one of three major museums on Exhibition Road in South Kensington, the others being the Science Museum an ...
. She had published little during her lifetime, and was barred from joining local scientific societies due to her gender, but was honoured for her work when a variant form of the comma butterfly was named ''hutchinsoni''. * 1909: Alice Wilson became the first female geologist hired by the
Geological Survey of Canada The Geological Survey of Canada (GSC; french: Commission géologique du Canada (CGC)) is a Canadian federal government agency responsible for performing geological surveys of the country, developing Canada's natural resources and protecting the e ...
. She is widely credited as being the first Canadian woman geologist. *1909: Danish physicist
Kirstine Meyer Kirstine Bjerrum Meyer (12 October 1861 – 28 September 1941) was a Danish physicist and was first woman from her country to earn a doctorate in natural sciences. Biography Kirstine Bjerrum was born in Skærbæk, Denmark and died in Hellerup. ...
became the first Danish woman to receive a doctorate degree in natural sciences. She wrote her dissertation on the topic of "the development of the temperature concept" within the history of physics.


1910s

*1911: Polish-born physicist and chemist
Marie Curie Marie Salomea Skłodowska–Curie ( , , ; born Maria Salomea Skłodowska, ; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first ...
became the first woman to receive the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
, which she received " orthe discovery of the elements
radium Radium is a chemical element with the symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rathe ...
and
polonium Polonium is a chemical element with the symbol Po and atomic number 84. Polonium is a chalcogen. A rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic characte ...
, by the isolation of radium and the study of the nature and compounds of this remarkable element". This made her the first person ever to win the Nobel Prize twice. As of 2022, she is the only woman to win it twice and the only person to win the Nobel Prize in two scientific fields. *1911: Norwegian biologist Kristine Bonnevie became the first woman member of the
Norwegian Academy of Science and Letters The Norwegian Academy of Science and Letters ( no, Det Norske Videnskaps-Akademi, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick Unive ...
. * 1912: American astronomer Henrietta Swan Leavitt studied the bright-dim cycle periods of Cepheid stars, then found a way to calculate the distance from such stars to Earth. * 1912: Canadian botanist and geneticist Carrie Derick was appointed a professor of morphological botany at
McGill University McGill University (french: link=no, Université McGill) is an English-language public research university located in Montreal, Quebec, Canada. Founded in 1821 by royal charter granted by King George IV,Frost, Stanley Brice. ''McGill Universit ...
. She was the first woman to become a full professor in any department at a Canadian university. *1913:
Regina Fleszarowa Regina Fleszarowa (28 March 1888 – 1 July 1969) was a Polish geographer and geologist, who participated in women's rights and served as a Senator in the Second Polish Republic between 1935 and 1938. Studying at the Sorbonne, in 1913, she receiv ...
became the first Polish woman to receive a PhD in natural sciences. *1913:
Izabela Textorisová Izabela Textorisová (16 March 1866, in Ratková – 12 September 1949, in Krupina) was Slovakia's first female botanist. Her copious herbarium is still today a valuable source for botanists. She described more than a hundred new plants in the T ...
, the first Slovakian woman botanist, published "Flora Data from the County of Turiec" in the journal ''Botanikai Közlemények''. Her work uncovered more than 100 previously unknown species of plants from the Turiec area. * 1913: Canadian physician and chemist Maud Menten co-authored a paper on
enzyme kinetics Enzyme kinetics is the study of the rates of enzyme-catalysed chemical reactions. In enzyme kinetics, the reaction rate is measured and the effects of varying the conditions of the reaction are investigated. Studying an enzyme's kinetics in thi ...
, leading to the development of the Michaelis–Menten kinetics equation. *1914–1918: During World War I, a team of seven British women chemists conducted pioneering research on chemical antidotes and weaponized gases. The project leader, Martha Whiteley, was awarded the
Order of the British Empire The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the civil service. It was established o ...
for her wartime contributions. *1914-1918: Dame Helen Gwynne-Vaughan, (née Fraser) was a prominent English botanist and
mycologist Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans, including as a source for tinder, traditional medicine, food, and entheogens, as w ...
. For her wartime service she was the first woman to be awarded a military DBE in January 1918. She served as Commandant of the
Women's Royal Air Force The Women's Royal Air Force (WRAF) was the women's branch of the Royal Air Force. It existed in two separate incarnations: the Women's Royal Air Force from 1918 to 1920 and the Women's Royal Air Force from 1949 to 1994. On 1 February 1949, the ...
(WRAF) from September 1918 until December 1919. * 1914: British-born mycologist
Ethel Doidge Ethel Mary Doidge (1887–1965) was a British born, South African mycologist and bacteriologist. __NOTOC__ Doidge was born in Nottingham, England on 31 May 1887 and was educated in South Africa at Epworth School in Pietermaritzburg and Huguenot C ...
became the first woman in South Africa to receive a doctorate in any subject, receiving her doctorate of science degree from the University of the Good Hope. She wrote her thesis on "A bacterial disease of mango". * 1916:
Isabella Preston Isabella Preston (September 4, 1881 - January 31, 1965) was a horticulturist and public servant widely recognized for her achievements in plant hybridization and extensive work in ornamental plant breeding. During her 26-year career, she produce ...
became the first female professional plant hybridist in Canada, producing the George C. Creelman trumpet lily. Her lily later received an Award of Merit from the
Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (No ...
. * 1916: Chika Kuroda became the first Japanese woman to earn a bachelor of science degree, studying chemistry at the
Tohoku Imperial University , or is a Japanese national university located in Sendai, Miyagi in the Tōhoku Region, Japan. It is informally referred to as . Established in 1907, it was the third Imperial University in Japan and among the first three Designated Natio ...
. After graduation, she was subsequently appointed an assistant professor at the university. *1917: American
zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and ...
Mary J. Rathbun received her PhD from the
George Washington University , mottoeng = "God is Our Trust" , established = , type = Private federally chartered research university , academic_affiliations = , endowment = $2.8 billion (2022) , presi ...
. Despite never having attended college – or any formal schooling beyond high school – Rathbun had authored more than 80 scientific publications, described over 674 new species of
crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean gro ...
, and developed a system for crustacean-related records at the Smithsonian Museum. *1917: Dutch biologist and geneticist Jantina Tammes became the first female university professor in the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
. She was appointed an extraordinary professor of
phytopathology Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomyc ...
at the
University of Utrecht Utrecht University (UU; nl, Universiteit Utrecht, formerly ''Rijksuniversiteit Utrecht'') is a public research university in Utrecht, Netherlands. Established , it is one of the oldest universities in the Netherlands. In 2018, it had an enrollm ...
. * 1918: German physicist and mathematician Emmy Noether created
Noether's theorem Noether's theorem or Noether's first theorem states that every differentiable symmetry of the action of a physical system with conservative forces has a corresponding conservation law. The theorem was proven by mathematician Emmy Noether ...
explaining the connection between symmetry and conservation laws. * 1919: Kathleen Maisey Curtis became the first New Zealand woman to earn a Doctorate of Science degree (DSc), completing her thesis on '' Synchytrium endobioticum'' (potato wart disease) at the Imperial College of Science and Technology. Her research was cited as "the most outstanding result in mycological research that had been presented for ten years".


1920s

* 1920:
Louisa Bolus Harriet Margaret Louisa Bolus ''née'' Kensit (31 July 1877, Burgersdorp – 5 April 1970, Cape Town) was a South African botanist and taxonomist, and the longtime curator of the Bolus Herbarium, from 1903. Bolus also has the legacy of authorin ...
was elected a Fellow of the
Royal Society of South Africa The Royal Society of South Africa is a learned society composed of eminent South African scientists and academics. The society was granted its royal charter by King Edward VII in 1908, nearly a century after Capetonians first began to conceive of ...
for her contributions to botany. Over the course of her lifetime, Bolus identified and named more than 1,700 new South African plant species – more species than any other botanist in South Africa. * 1923:
María Teresa Ferrari María Teresa Ferrari (11 October 188730 October 1956) was an Argentine educator, physician, and women's rights activist. She was the first female university professor in Latin America and one of the first women allowed to teach medicine. She ...
, an Argentine physician, earned the first diploma awarded to a woman by the Faculty of Medicine at the University of Paris for her studies of the
urinary tract The urinary system, also known as the urinary tract or renal system, consists of the kidneys, ureters, bladder, and the urethra. The purpose of the urinary system is to eliminate waste from the body, regulate blood volume and blood pressure, ...
. * 1924: Florence Bascom became the first woman elected to the Council of the
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
. *1925: Mexican-American botanist
Ynes Mexia Ynés Enriquetta Julietta Mexía (May 24, 1870 – July 12, 1938) was a Mexican-American botanist notable for her extensive collection of novel specimens of flora and plants originating from sites in Colombia, Mexico, and Peru. She discovered a ...
embarked on her first botanical expedition into Mexico, collecting over 1500 plant specimens. Over the course of the next thirteen years, Mexia collected more than 145,000 specimens from Mexico, Alaska, and multiple South American countries. She discovered 500 new species. * 1925: American medical scientist
Florence Sabin Florence Rena Sabin (November 9, 1871 – October 3, 1953) was an American medical scientist. She was a pioneer for women in science; she was the first woman to hold a full professorship at Johns Hopkins School of Medicine, the first woman ...
became the first woman elected to the
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nat ...
. * 1925: British-American astronomer and astrophysicist Cecilia Payne-Gaposchkin established that
hydrogen Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula . It is colorless, odorless, tasteless, non-toxic ...
is the most common element in stars, and thus the most abundant element in the universe. * 1927: Kono Yasui became the first Japanese woman to earn a
doctorate in science Doctor of Science ( la, links=no, Scientiae Doctor), usually abbreviated Sc.D., D.Sc., S.D., or D.S., is an academic research degree awarded in a number of countries throughout the world. In some countries, "Doctor of Science" is the degree used f ...
, studying at the
Tokyo Imperial University , abbreviated as or UTokyo, is a public research university located in Bunkyō, Tokyo, Japan. Established in 1877, the university was the first Imperial University and is currently a Top Type university of the Top Global University Project by ...
and completing her thesis on "Studies on the structure of lignite, brown coal, and bituminous coal in Japan". * 1928: Alice Evans became the first woman elected president of the Society of American Bacteriologists. * 1928:
Helen Battle Helen Irene Battle (August 31, 1903 – June 17, 1994) was a pioneering Canadian ichthyologist and marine biologist. She was the first Canadian woman to earn a PhD in marine biology and she was also one of the first zoologists to engage in laborat ...
became the first woman to earn a PhD in marine biology in Canada. * 1928: British biologist Kathleen Carpenter published the first English-language textbook devoted to freshwater ecology: ''Life in Inland Waters''. *1929: American botanist Margaret Clay Ferguson became the first woman president of the
Botanical Society of America The Botanical Society of America (BSA) represents professional and amateur botanists, researchers, educators and students in over 80 countries of the world. It functions as a United States nonprofit 501(c)(3) membership society. History The s ...
. *1929: Scottish-Nigerian Agnes Yewande Savage became the first West African woman to graduate from medical school, obtaining her degree at the
University of Edinburgh The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in post-nominals) is a public research university based in Edinburgh, Scotland. Granted a royal charter by King James VI in 15 ...
.


1930s

* 1930: Concepción Mendizábal Mendoza became the first woman in Mexico to earn a
civil engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewa ...
degree. *1932:
Michiyo Tsujimura was a Japanese agricultural scientist and biochemist whose research focused on the components of green tea. She was the first woman in Japan to receive a doctoral degree in agriculture. Early life Tsujimura was born in 1888 in what is now Ok ...
became the first Japanese woman to earn a
doctorate A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism '' ...
in agriculture. She studied at the Tokyo Imperial University, and her doctoral thesis was entitled "On the Chemical Components of Green Tea". * 1933: Hungarian scientist Elizabeth Rona received the
Haitinger Prize The Haitinger Prize of the Austrian Academy of Sciences was founded in 1904 by the chemist and factory director, Ludwig Camillo Haitinger (1860–1945), who created the award in honor of his father, Karl Ludwig Haitinger. From 1905 to 1943 it was ...
from the Austrian Academy of Sciences for her method of extracting
polonium Polonium is a chemical element with the symbol Po and atomic number 84. Polonium is a chalcogen. A rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic characte ...
. *1933: American bacteriologist
Ruth Ella Moore Ruth Ella Moore (May 19, 1903 – July 19, 1994) was an American bacteriologist and microbiologist, who, in 1933, became the first African-American woman to be awarded a Ph.D. in a natural science. She was a professor of bacteriology at How ...
became the first African-American woman to receive a PhD in the natural sciences, completing her doctorate in bacteriology at
Ohio State University The Ohio State University, commonly called Ohio State or OSU, is a public land-grant research university in Columbus, Ohio. A member of the University System of Ohio, it has been ranked by major institutional rankings among the best pu ...
. * 1935: French chemist Irène Joliot-Curie received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
along with Frédéric Joliot-Curie "for their synthesis of new
radioactive Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is consi ...
elements". *1935: American plant hybridist
Grace Sturtevant Grace Sturtevant (1865–1947) was an early 20th century iris breeder and horticulturalist who has been called "America's first lady of iris." She was a founding member of the American Iris Society. Early life and education Grace Sturtevant wa ...
, the "First Lady of Iris", received the
American Iris Society The American Iris Society (AIS, founded 1920) is an organization dedicated to sharing information about and sponsoring research on the iris, a temperate zone plant that is often cultivated for its showy flowers. A major goal in its early years was t ...
's gold medal for her lifetime's work. * 1936: Edith Patch became the first female president of the Entomological Society of America. * 1936: Mycologist Kathleen Maisey Curtis was elected the first female Fellow at the
Royal Society of New Zealand Royal may refer to: People * Royal (name), a list of people with either the surname or given name * A member of a royal family Places United States * Royal, Arkansas, an unincorporated community * Royal, Illinois, a village * Royal, Iowa, a ...
. * 1936: Danish seismologist and
geophysicist Geophysics () is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis. The term ''geophysics'' so ...
Inge Lehmann discovered that the Earth has a solid inner core distinct from its molten
outer core Earth's outer core is a fluid layer about thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. The outer core begins approximately beneath Earth's surface at the core-mantle boundary and en ...
. * 1937: Canadian forensic pathologist Frances Gertrude McGill assisted the
Royal Canadian Mounted Police The Royal Canadian Mounted Police (RCMP; french: Gendarmerie royale du Canada; french: GRC, label=none), commonly known in English as the Mounties (and colloquially in French as ) is the federal police, federal and national police service of ...
in establishing their first forensic detection laboratory. *1937:
Suzanne Comhaire-Sylvain Suzanne Comhaire-Sylvain (6 November 1898 – 20 June 1975) was the first woman Haitian anthropologist. Suzanne Comhaire-Sylvain was a student of Bronislaw Malinowski who worked in 1949 with Alfred Métraux, and participated in a UNESCO project ...
became the first female Haitian anthropologist and the first Haitian person to complete a PhD, receiving her doctoral degree from the
University of Paris The University of Paris (french: link=no, Université de Paris), Metonymy, metonymically known as the Sorbonne (), was the leading university in Paris, France, active from 1150 to 1970, with the exception between 1793 and 1806 under the French Revo ...
. * 1937: Marietta Blau and her student Hertha Wambacher, both Austrian physicists, received the Lieben Prize of the Austrian Academy of Sciences for their work on cosmic ray observations using the technique of nuclear emulsions. *1938:
Elizabeth Abimbola Awoliyi Chief Elizabeth Abimbola Awoliyi, (née Akerele, 1910–14 September 1971) was the first woman to practise as a physician in Nigeria. She was also the first West African woman to earn a license of Royal Surgeon in Dublin. In 1938, Elizabeth Aw ...
became the first woman to be licensed to practise medicine in
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of G ...
after graduating from the
University of Dublin The University of Dublin ( ga, Ollscoil Átha Cliath), corporately designated the Chancellor, Doctors and Masters of the University of Dublin, is a university located in Dublin, Ireland. It is the degree-awarding body for Trinity College Dubl ...
and the first West African female medical officer with a license of the Royal Surgeon (Dublin). *1938: Geologist Alice Wilson became the first woman appointed as Fellow to the Royal Society of Canada. * 1938: South African naturalist Marjorie Courtenay-Latimer discovered a living
coelacanth The coelacanths ( ) are fish belonging to the order Actinistia that includes two extant species in the genus '' Latimeria'': the West Indian Ocean coelacanth (''Latimeria chalumnae''), primarily found near the Comoro Islands off the east c ...
fish caught near the Chalumna river. The species had been believed to be extinct for over 60 million years. It was named ''
latimeria chalumnae The West Indian Ocean coelacanth (''Latimeria chalumnae'') (sometimes known as gombessa, African coelacanth, or simply coelacanth) is a crossopterygian, one of two extant species of coelacanth, a rare order of vertebrates more closely related to ...
'' in her honour. * 1939: Austrian-Swedish physicist
Lise Meitner Elise Meitner ( , ; 7 November 1878 – 27 October 1968) was an Austrian-Swedish physicist who was one of those responsible for the discovery of the element protactinium and nuclear fission. While working at the Kaiser Wilhelm Institute on ra ...
, along with Otto Hahn, led the small group of scientists who first discovered
nuclear fission Nuclear fission is a nuclear reaction, reaction in which the atomic nucleus, nucleus of an atom splits into two or more smaller atomic nucleus, nuclei. The fission process often produces gamma ray, gamma photons, and releases a very large ...
of uranium when it absorbed an extra
neutron The neutron is a subatomic particle, symbol or , which has a neutral (not positive or negative) charge, and a mass slightly greater than that of a proton. Protons and neutrons constitute the nuclei of atoms. Since protons and neutrons behav ...
; the results were published in early 1939. * 1939: French physicist Marguerite Perey discovered
francium Francium is a chemical element with the symbol Fr and atomic number 87. It is extremely radioactive; its most stable isotope, francium-223 (originally called actinium K after the natural decay chain it appears in), has a half-life of only 22 ...
.


1940s

*1940: Turkish Archaeologist,
Sumerologist Sumer () is the earliest known civilization in the historical region of southern Mesopotamia (south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC. It is one of the cradles of c ...
, Assyriologist, and writer Muazzez İlmiye Çığ. Upon receiving her degree in 1940, she began a multi-decade career at Museum of the Ancient Orient, one of three such institutions comprising Istanbul Archaeology Museums, as a resident specialist in the field of
cuneiform Cuneiform is a logo- syllabic script that was used to write several languages of the Ancient Middle East. The script was in active use from the early Bronze Age until the beginning of the Common Era. It is named for the characteristic wedg ...
tablets, thousands of which were being stored untranslated and unclassified in the facility's archives. In the intervening years, due to her efforts in the deciphering and publication of the tablets, the Museum became a Middle Eastern languages learning center attended by ancient history researchers from every part of the world. *1941: American scientist
Ruth Smith Lloyd Ruth Smith Lloyd (January 17, 1917 – February 5, 1995) was a 20th-century scientist whose research focused on fertility, the relationship of sex hormones to growth, and the female sex cycle. She earned a PhD in the field of anatomy from Western ...
became the first African-American woman to receive a PhD in anatomy. * 1942: Austrian-American actress and inventor
Hedy Lamarr Hedy Lamarr (; born Hedwig Eva Maria Kiesler; November 9, 1914 January 19, 2000) was an Austrian-born American film actress and inventor. A film star during Hollywood's golden age, Lamarr has been described as one of the greatest movie actress ...
and composer
George Antheil George Johann Carl Antheil (; July 8, 1900 – February 12, 1959) was an American avant-garde composer, pianist, author, and inventor whose modernist musical compositions explored the modern sounds – musical, industrial, and mechanical – of t ...
developed a radio guidance system for Allied
torpedoes A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...
that used spread spectrum and frequency hopping technology to defeat the threat of jamming by the
Axis powers The Axis powers, ; it, Potenze dell'Asse ; ja, 枢軸国 ''Sūjikukoku'', group=nb originally called the Rome–Berlin Axis, was a military coalition that initiated World War II and fought against the Allies. Its principal members were ...
. Although the
US Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
did not adopt the technology until the 1960s, the principles of their work are incorporated into
Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limit ...
technology and are similar to methods used in legacy versions of
CDMA Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication ...
and
Wi-Fi Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio w ...
. This work led to their induction into the
National Inventors Hall of Fame The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology. Besides the Hall of Fame, it also oper ...
in 2014. * 1942: American geologist Marguerite Williams became the first African-American woman to receive a PhD in geology in the United States. She completed her doctorate, entitled ''A History of Erosion in the Anacostia Drainage Basin'', at
Catholic University Catholic higher education includes universities, colleges, and other institutions of higher education privately run by the Catholic Church, typically by religious institutes. Those tied to the Holy See are specifically called pontifical un ...
. * 1942: Native American aerospace engineer
Mary Golda Ross Mary Golda Ross (August 9, 1908 – April 29, 2008) was the first known Native American female engineer, and the first female engineer in the history of Lockheed. She was one of the 40 founding engineers of the renowned and highly secretive Sku ...
became employed at Lockheed Aircraft Corporation, where she provided troubleshooting for military aircraft. She went on to work for
NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeedi ...
, developing operational requirements, flight plans, and a Planetary Flight Handbook for spacecraft missions such as the Apollo program. * 1943: British geologist Eileen Guppy was promoted to the rank of assistant geologist, therefore becoming the first female geology graduate appointed to the scientific staff of the British Geological Survey. *1944: Indian chemist
Asima Chatterjee Asima Chatterjee (23 September 1917 – 22 November 2006) was an Indian organic chemist noted for her work in the fields of organic chemistry and phytomedicine.''The Shaping of Indian Science''. p. 1036. Indian Science Congress Association, Pre ...
became the first Indian woman to receive a doctorate of science, completing her studies at the
University of Calcutta The University of Calcutta (informally known as Calcutta University; CU) is a public collegiate state university in India, located in Kolkata, West Bengal, India. Considered one of best state research university all over India every year, C ...
. She went on to establish the Department of Chemistry at Lady Brabourne College. *1945: American physicists and mathematicians Frances Spence, Ruth Teitelbaum, Marlyn Meltzer, Betty Holberton,
Jean Bartik Jean Bartik ( Betty Jean Jennings; December 27, 1924 – March 23, 2011) was one of the original six programmers for the ENIAC computer. Bartik studied mathematics in school then began work at the University of Pennsylvania, first manually ...
and Kathleen Antonelli programmed the electronic general-purpose computer
ENIAC ENIAC (; Electronic Numerical Integrator and Computer) was the first programmable, electronic, general-purpose digital computer, completed in 1945. There were other computers that had these features, but the ENIAC had all of them in one pac ...
, becoming some of the world's first computer programmers. (The first were uncredited operators, mostly members of the Women's Royal Naval Service, of the
Colossus computer Colossus was a set of computers developed by British codebreakers in the years 1943–1945 to help in the cryptanalysis of the Lorenz cipher. Colossus used thermionic valves (vacuum tubes) to perform Boolean and counting operations. Colossus ...
in 1943–1945, but that machine was not a stored-program computer and its existence was a state secret until the 1970s.) *1945: Marjory Stephenson and Kathleen Lonsdale were elected as the first female Fellows of the
Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, r ...
. * 1947: Austrian-American biochemist Gerty Cori became the first woman to receive the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, which she received along with Carl Ferdinand Cori "for their discovery of the course of the catalytic conversion of
glycogen Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria. The polysaccharide structure represents the main storage form of glucose in the body. Glycogen functions as one o ...
", and
Bernardo Alberto Houssay Bernardo Alberto Houssay (April 10, 1887 – September 21, 1971) was an Argentine physiologist. Houssay was a co-recipient of the 1947 Nobel Prize for Physiology or Medicine for discovering the role played by pituitary hormones in regulating th ...
"for his discovery of the part played by the
hormone A hormone (from the Greek participle , "setting in motion") is a class of signaling molecules in multicellular organisms that are sent to distant organs by complex biological processes to regulate physiology and behavior. Hormones are required ...
of the anterior pituitary lobe in the metabolism of sugar". *1947: American biochemist Marie Maynard Daly became the first African-American woman to complete a PhD in chemistry in the United States. She completed her dissertation, entitled "A Study of the Products Formed by the Action of Pancreatic Amylase on Corn Starch" at
Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manha ...
. * 1947:
Berta Karlik Berta Karlik (24 January 1904 – 4 February 1990) was an Austrian physicist. She worked for the University of Vienna, eventually becoming the first female professor at the institution. While working with Ernst Foyn she published a paper on the ra ...
, an Austrian physicist, was awarded the
Haitinger Prize The Haitinger Prize of the Austrian Academy of Sciences was founded in 1904 by the chemist and factory director, Ludwig Camillo Haitinger (1860–1945), who created the award in honor of his father, Karl Ludwig Haitinger. From 1905 to 1943 it was ...
of the Austrian Academy of Sciences for her discovery of astatine. *1947:
Susan Ofori-Atta Susan Barbara Gyankorama Ofori-Atta also de Graft-Johnson, (1917 – July 1985) was a Ghanaian medical doctor – the first female doctor on the Gold Coast. She was the first Ghanaian woman and fourth West African woman to earn a university degr ...
became the first Ghanaian woman to earn a medical degree when she graduated from the
University of Edinburgh The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in post-nominals) is a public research university based in Edinburgh, Scotland. Granted a royal charter by King James VI in 15 ...
. * 1948: Canadian plant pathologist and mycologist
Margaret Newton Margaret Brown Newton (20 April 1887 – 6 April 1971) was a Canadian plant pathologist and mycologist internationally renowned for her pioneering research in stem rust ''Puccinia graminis'', particularly for its effect on the staple Canadian a ...
became the first woman to be awarded the Flavelle Medal from the Royal Society of Canada, in recognition of her extensive research in wheat rust fungal disease. Her experiments led to the development of rust-resistant strains of wheat. * 1948: American limnologist Ruth Patrick of the
Academy of Natural Sciences of Philadelphia The Academy of Natural Sciences of Drexel University, formerly the Academy of Natural Sciences of Philadelphia, is the oldest natural science research institution and museum in the Americas. It was founded in 1812, by many of the leading natu ...
led a multidisciplinary team of scientists on an extensive pollution survey of the Conestoga River watershed in Pennsylvania. Patrick would become a leading authority on the ecological effects of river pollution, receiving the Tyler Prize for Environmental Achievement in 1975. *1949: Botanist became the first Azerbaijani woman to receive a PhD in biological studies. She went on to write the first national Azerbaijani-language textbooks on botany and biology. *
Winifred Goldring Winifred Goldring (February 1, 1888 – January 30, 1971Kluessendorf, 1998, p.14), was an American paleontologist whose work included a description of stromatolites, as well as the study of Devonian crinoids. and   She was the first wom ...
(February 1, 1888 – January 30, 1971Kluessendorf, 1998, p.14), was an American
paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of foss ...
and became the first woman president of the Paleontological Society, her work included a description of stromatolites, as well as the study of
Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, w ...
crinoid Crinoids are marine animals that make up the Class (biology), class Crinoidea. Crinoids that are attached to the sea bottom by a stalk in their adult form are commonly called sea lilies, while the unstalked forms are called feather stars or coma ...
s. and   She was the first woman in the US to be appointed as a State Paleontologist.


Late 20th century


1950s

* 1950s: Chinese-American medical scientist
Tsai-Fan Yu Tsai-Fan Yu (, 1911 – March 2, 2007) was a Chinese-American physician, researcher, and the first woman to be appointed as a full professor at Mount Sinai School of Medicine. She helped to develop an explanation for the cause of gout and experime ...
co-founded a clinic at Mount Sinai Medical Center for the study and treatment of
gout Gout ( ) is a form of inflammatory arthritis characterized by recurrent attacks of a red, tender, hot and swollen joint, caused by deposition of monosodium urate monohydrate crystals. Pain typically comes on rapidly, reaching maximal intens ...
. Working with
Alexander B. Gutman Alexander B. Gutman (1902-1973) is a co-winner of the Gairdner Foundation International Award known for his research on gout Gout ( ) is a form of inflammatory arthritis characterized by recurrent attacks of a red, tender, hot and swollen jo ...
, Yu established that levels of
uric acid Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C5H4N4O3. It forms ions and salts known as urates and acid urates, such as ammonium acid urate. Uric acid is a product of the metabolic breakdown ...
were a factor in the pain experienced by gout patients, and subsequently developed multiple effective drugs for the treatment of gout. * 1950: Chinese-American particle physicist
Chien-Shiung Wu ) , spouse = , residence = , nationality = ChineseAmerican , field = Physics , work_institutions = Institute of Physics, Academia Sinica University of California at BerkeleySmith CollegePrinceton UniversityColumbia UniversityZhejiang Univ ...
proved the validity of
Quantum entanglement Quantum entanglement is the phenomenon that occurs when a group of particles are generated, interact, or share spatial proximity in a way such that the quantum state of each particle of the group cannot be described independently of the state o ...
which counters Albert Einstein's EPR Paradox and published her work on the new year of the new decade. She also proved the validity of
beta decay In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta particle (fast energetic electron or positron) is emitted from an atomic nucleus, transforming the original nuclide to an isobar of that nuclide. For e ...
around this time. * 1950: Ghanaian, Matilda J. Clerk became the first woman in Ghana and West Africa to attend graduate school, earning a postgraduate diploma at the
London School of Hygiene & Tropical Medicine The London School of Hygiene and Tropical Medicine (LSHTM) is a public university, public research university in Bloomsbury, central London, and a constituent college, member institution of the University of London that specialises in public h ...
. * 1950: Isabella Abbott became the first Native Hawaiian woman to receive a PhD in any science; hers was in botany. * 1950: American microbiologist Esther Lederberg became the first to isolate lambda bacteriophage, a DNA virus, from ''Escherichia coli'' K-12. *1951: Ghana's Esther Afua Ocloo became the first person of African ancestry to obtain a cooking diploma from the
Good Housekeeping Institute ''Good Housekeeping'' is an American women's magazine featuring articles about women's interests, product testing by The Good Housekeeping Institute, recipes, diet, and health, as well as literary articles. It is well known for the "Good House ...
in
London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
and to take the post-graduate Food Preservation Course at
Long Ashton Research Station Long Ashton Research Station (LARS) was an agricultural and horticultural government-funded research centre located in the village of Long Ashton near Bristol, UK. It was created in 1903 to study and improve the West Country cider industry and ...
, Department of Horticulture,
Bristol University The University of Bristol is a Red brick university, red brick Russell Group research university in Bristol, England. It received its royal charter in 1909, although it can trace its roots to a Society of Merchant Venturers, Merchant Venturers' sc ...
. * 1952: American computer scientist Grace Hopper completed what is considered to be the first compiler, a program that allows a computer user to use a human-readable
high-level programming language In computer science, a high-level programming language is a programming language with strong abstraction from the details of the computer. In contrast to low-level programming languages, it may use natural language ''elements'', be easier to ...
instead of machine code. It was known as the A-0 compiler. * 1952: Photograph 51, an X-ray diffraction image of crystallized DNA, was taken by Raymond Gosling in May 1952, working as a PhD student under the supervision of British chemist and biophysicist
Rosalind Franklin Rosalind Elsie Franklin (25 July 192016 April 1958) was a British chemist and X-ray crystallographer whose work was central to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, c ...
; it was critical evidence in identifying the structure of DNA. * 1952: Canadian agriculturalist
Mary MacArthur Mary Reid Anderson (née Macarthur; 13 August 1880 – 1 January 1921) was a Scottish suffragist (although at odds with the national groups who were willing to let a minority of women gain the franchise) and was a leading trades unionist. She ...
became the first female Fellow of the Agricultural Institute of Canada for her contributions to the science of food dehydration and freezing. * 1953: Canadian-British radiobiologist
Alma Howard Alma Clavering Howard Rolleston Ebert (23 October 1913 – 1 April 1984) was a Canadian-born English radiobiologist. She was joint editor for many years of the International Journal of Radiation Biology and deputy director of Paterson La ...
co-authored a paper proposing that
cellular life The cell is the basic structural and functional unit of life forms. Every cell consists of a cytoplasm enclosed within a membrane, and contains many biomolecules such as proteins, DNA and RNA, as well as many small molecules of nutrients and ...
transitions through four distinct periods. This became the first concept of the
cell cycle The cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into two daughter cells. These events include the duplication of its DNA ( DNA replication) and some of its organelles, and sub ...
. * 1954:
Lucy Cranwell Lucy May Cranwell (7 August 1907 – 8 June 2000) was a New Zealand botanist responsible for groundbreaking work in palynology. Cranwell was appointed curator of botany at Auckland Museum in 1929, when she was 21 years old. As well as her work ...
was the first female recipient of the
Hector Medal The Hector Medal, formerly known as the Hector Memorial Medal, is a science award given by the Royal Society Te Apārangi in memory of Sir James Hector to researchers working in New Zealand. It is awarded annually in rotation for different science ...
from the
Royal Society of New Zealand Royal may refer to: People * Royal (name), a list of people with either the surname or given name * A member of a royal family Places United States * Royal, Arkansas, an unincorporated community * Royal, Illinois, a village * Royal, Iowa, a ...
. She was recognized for her pioneering work with pollen in the emerging field of
palynology Palynology is the "study of dust" (from grc-gre, παλύνω, palynō, "strew, sprinkle" and ''-logy'') or of "particles that are strewn". A classic palynologist analyses particulate samples collected from the air, from water, or from deposits ...
. * 1955: Moira Dunbar became the first female glaciologist to study sea ice from a Canadian
icebreaker An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships. Although the term usually refers to ice-breaking ships, it may also refer to sma ...
ship. * 1955: Japanese geochemist Katsuko Saruhashi published her research on measuring carbonic acid levels in seawater. The paper included "Saruhashi's Table", a tool of measurement she had developed that focused on using water temperature, pH level, and chlorinity to determine carbonic acid levels. Her work contributed to global understanding of climate change, and Saruhashi's Table was used by oceanographers for the next 30 years. *1955–1956: Soviet marine biologist Maria Klenova became the first woman scientist to work in the Antarctic, conducting research and assisting in the establishment of the Mirny Antarctic station. *1956: Canadian zoologist and feminist Anne Innis Dagg began pioneering behavioural research on wild giraffes in South Africa in Kruger National Park. She researched and published on feminism and anti-nepotism laws at academic institutions in North America. * 1956: Chinese-American physicist Chien-Shiung Wu conducted a
nuclear physics Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions, in addition to the study of other forms of nuclear matter. Nuclear physics should not be confused with atomic physics, which studies the ...
experiment in collaboration with the Low Temperature Group of the US National Bureau of Standards. It was an important foundation for the
Standard Model The Standard Model of particle physics is the theory describing three of the four known fundamental forces ( electromagnetic, weak and strong interactions - excluding gravity) in the universe and classifying all known elementary particles. I ...
in
particle physics Particle physics or high energy physics is the study of fundamental particles and forces that constitute matter and radiation. The fundamental particles in the universe are classified in the Standard Model as fermions (matter particles) and ...
and brought the first answer to the question of the universe's existence by virtue of matter's predominance over antimatter. The experiment, becoming known as the Wu experiment, showed that parity could be violated in weak interaction. The Nobel Prize was given only to her male colleagues soon after the headlines of the discovery were released. * 1956:
Dorothy Hill Dorothy Hill, (10 September 1907 – 23 April 1997) was an Australian geologist and palaeontologist, the first female professor at an Australian university, and the first female president of the Australian Academy of Science. Education Dorot ...
became the first Australian woman elected a Fellow of the
Australian Academy of Science The Australian Academy of Science was founded in 1954 by a group of distinguished Australians, including Australian Fellows of the Royal Society of London. The first president was Sir Mark Oliphant. The academy is modelled after the Royal So ...
. * 1956: English zoologist and geneticist Margaret Bastock published the first evidence that a single gene could change behavior. * 1957–1958: Chinese scientist Lanying Lin produced China's first
germanium Germanium is a chemical element with the symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid in the carbon group that is chemically similar to its group neighbo ...
and
silicon Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic ...
mono-crystals, subsequently pioneering new techniques in
semiconductor A semiconductor is a material which has an electrical conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass. Its resistivity falls as its temperature rises; metals behave in the opposite way. ...
development. * 1959: Chinese astronomer
Ye Shuhua Ye Shuhua (; born June 21, 1927) is a Chinese astronomer and professor at Shanghai Astronomical Observatory, known for achieving one of the world's most precise measurements of Universal Time in the 1960s, and for establishing the very-long-ba ...
led the development of the Joint Chinese Universal Time System, which became the Chinese national standard for measuring universal time. * 1959:
Susan Ofori-Atta Susan Barbara Gyankorama Ofori-Atta also de Graft-Johnson, (1917 – July 1985) was a Ghanaian medical doctor – the first female doctor on the Gold Coast. She was the first Ghanaian woman and fourth West African woman to earn a university degr ...
, the first Ghanaian woman physician, became a founding member of the Ghana Academy of Arts and Sciences.


1960s

* 1960: British primatologist
Jane Goodall Dame Jane Morris Goodall (; born Valerie Jane Morris-Goodall on 3 April 1934), formerly Baroness Jane van Lawick-Goodall, is an English primatologist and anthropologist. Seen as the world's foremost expert on chimpanzees, Goodall is best kn ...
began studying chimpanzees in Tanzania; her study of them continued for over 50 years. Her observations challenged previous ideas that only humans made tools and that chimpanzees had a basically vegetarian diet. * Early 1960s: German-Canadian metallurgist Ursula Franklin studied levels of radioactive isotope strontium-90 that were appearing in the teeth of children as a side effect of nuclear weapons testing fallout. Her research influenced the Partial Nuclear Test Ban Treaty of 1963. * 1960s: American mathematician
Katherine Johnson Katherine Johnson (née Coleman; August 26, 1918 – February 24, 2020) was an American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights. ...
calculated flight paths at NASA for crewed space flights. *1961: Indian chemist
Asima Chatterjee Asima Chatterjee (23 September 1917 – 22 November 2006) was an Indian organic chemist noted for her work in the fields of organic chemistry and phytomedicine.''The Shaping of Indian Science''. p. 1036. Indian Science Congress Association, Pre ...
became the first female recipient of a
Shanti Swarup Bhatnagar Prize The Shanti Swarup Bhatnagar Prize for Science and Technology (SSB) is a science award in India given annually by the Council of Scientific and Industrial Research (CSIR) for notable and outstanding research, applied or fundamental, in biology, ...
. She was recognized in the Chemical Sciences category for her contributions to phytomedicine. * 1962: Rachel Louise Carson was an American
marine biologist Marine biology is the scientific study of the biology of marine life, organisms in the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies sp ...
, author, and conservationist whose book ''
Silent Spring ''Silent Spring'' is an environmental science book by Rachel Carson. Published on September 27, 1962, the book documented the environmental harm caused by the indiscriminate use of pesticides. Carson accused the chemical industry of spreading d ...
'' and other writings are credited with advancing the global
environmental movement The environmental movement (sometimes referred to as the ecology movement), also including conservation and green politics, is a diverse philosophical, social, and political movement for addressing environmental issues. Environmentalists a ...
. * 1962: South African botanist
Margaret Levyns Margaret Rutherford Bryan Levyns (née Michell, 24 August 1890 Cape Town – 11 November 1975 Cape Town) was an eminent South African phytogeographer, botanist and taxonomist. Early life and education Margaret Levyns was initially educat ...
became the first woman president of the
Royal Society of South Africa The Royal Society of South Africa is a learned society composed of eminent South African scientists and academics. The society was granted its royal charter by King Edward VII in 1908, nearly a century after Capetonians first began to conceive of ...
. *1962: French physicist Marguerite Perey became the first female Fellow elected to the
Académie des Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at the ...
. *1963: Elsa G. Vilmundardóttir became the first female Icelandic geologist, completing her studies at
Stockholm University Stockholm University ( sv, Stockholms universitet) is a public research university in Stockholm, Sweden, founded as a college in 1878, with university status since 1960. With over 33,000 students at four different faculties: law, humanities, s ...
. * 1963: Maria Goeppert Mayer became the first American woman to receive a
Nobel Prize in Physics ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then " ...
; she shared the prize with J. Hans D. Jensen "for their discoveries concerning nuclear shell structure" and Eugene Paul Wigner "for his contributions to the theory of the atomic nucleus and the elementary particles, particularly through the discovery and application of fundamental symmetry principles". * 1964: American mathematician Irene Stegun completed the work which led to the publication of ''Handbook of Mathematical Functions'', a widely used and widely cited reference work in applied mathematics. * 1964: British chemist
Dorothy Crowfoot Hodgkin Dorothy Mary Crowfoot Hodgkin (née Crowfoot; 12 May 1910 – 29 July 1994) was a Nobel Prize-winning British chemist who advanced the technique of X-ray crystallography to determine the structure of biomolecules, which became essential ...
received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
"for her determinations by X-ray techniques of the structures of important biochemical substances". *1964: Scottish virologist
June Almeida June Dalziel Almeida (5 October 1930 – 1 December 2007) was a Scottish virologist, a pioneer in virus imaging, identification, and diagnosis. Her skills in electron microscopy earned her an international reputation. In 1964, Almeida was rec ...
made the first identification of a human coronavirus. * 1965: Sister Mary Kenneth Keller became the first American woman to receive a Ph.D. in computer science. Her thesis was titled "Inductive Inference on Computer Generated Patterns". * 1966: Japanese immunologist Teruko Ishizaka, working with Kimishige Ishizaka, discovered the antibody class
Immunoglobulin E Immunoglobulin E (IgE) is a type of antibody (or immunoglobulin (Ig) " isotype") that has been found only in mammals. IgE is synthesised by plasma cells. Monomers of IgE consist of two heavy chains (ε chain) and two light chains, with the ε ...
(IgE). * 1967: British astrophysicist
Jocelyn Bell Burnell Dame Susan Jocelyn Bell Burnell (; Bell; born 15 July 1943) is an astrophysicist from Northern Ireland who, as a postgraduate student, discovered the first radio pulsars in 1967. The discovery eventually earned the Nobel Prize in Physics in ...
co-discovered the first radio pulsars. * 1967: Sue Arnold became the first female British Geological Survey person to go to sea on a research vessel. * 1967: South African radiobiologist Tikvah Alper discovered that scrapie, an infectious brain disease affecting sheep, did not spread via DNA or RNA like a viral or bacterial disease. The discovery enabled scientists to better understand diseases caused by prions. * 1967: Yvonne Brill, a Canadian-American rocket and jet propulsion engineer, invented the hydrazine Resistojet rocket, resistojet propulsion system. * 1968: Japanese pioneer of molecular biology Tsuneko Okazaki studied DNA replication and discovered Okazaki fragments. * 1969: Beris Cox became the first female
paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of foss ...
in the British Geological Survey. *1969: Ukrainian-born astronomer Svetlana Gerasimenko co-discovered the 67P/Churyumov–Gerasimenko comet.


1970s

* 1970:
Dorothy Hill Dorothy Hill, (10 September 1907 – 23 April 1997) was an Australian geologist and palaeontologist, the first female professor at an Australian university, and the first female president of the Australian Academy of Science. Education Dorot ...
became the first female president of the
Australian Academy of Science The Australian Academy of Science was founded in 1954 by a group of distinguished Australians, including Australian Fellows of the Royal Society of London. The first president was Sir Mark Oliphant. The academy is modelled after the Royal So ...
. *1970: Samira Islam became the first Saudi Arabian person to earn a PhD in pharmacology. * 1970: Astronomer Vera Rubin published the first evidence for dark matter. *1970: Polish geologist Franciszka Szymakowska became widely known because of her unique and detailed geological drawings that are still used today. *1973: American physicist Anna Coble became the first African-American woman to receive a PhD in biophysics, completing her dissertation at University of Illinois at Urbana–Champaign, University of Illinois. *1974: Dominican marine biologist Idelisa Bonnelly founded the Dominican Republic Academy of Science. *1975: Indian chemist
Asima Chatterjee Asima Chatterjee (23 September 1917 – 22 November 2006) was an Indian organic chemist noted for her work in the fields of organic chemistry and phytomedicine.''The Shaping of Indian Science''. p. 1036. Indian Science Congress Association, Pre ...
was elected the General President of the Indian Science Congress Association. She simultaneously became the first woman scientist ever elected a member of the congress. *1975: Indian geneticist Archana Sharma (botanist), Archana Sharma received the
Shanti Swarup Bhatnagar Prize The Shanti Swarup Bhatnagar Prize for Science and Technology (SSB) is a science award in India given annually by the Council of Scientific and Industrial Research (CSIR) for notable and outstanding research, applied or fundamental, in biology, ...
, the first female recipient in the Biological Sciences category. * 1975: Female officers of the British Geological Survey no longer had to resign upon getting married. * 1975: Chien-Shiung Wu became the first female president of the American Physical Society. * 1976: Filipino-American microbiologist Roseli Ocampo-Friedmann traveled to the Antarctic with Imre Friedmann and discovered micro-organisms living within the porous rock of the Ross Desert. These organisms – Endolith, cryptoendoliths – were observed surviving extremely low temperatures and humidity, assisting scientific research into the possibility of life on Mars. * 1976: Margaret Burbidge was named the first female president of the American Astronomical Society. * 1977: American medical physicist Rosalyn Yalow received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
"for the development of radioimmunoassays of peptide hormones" along with Roger Guillemin and Andrew Schally, Andrew V. Schally who received it "for their discoveries concerning the peptide hormone production of the brain". * 1977: Friederike Victoria Joy Adamson (née Gessner, 20 January 1910 – 3 January 1980) was a naturalist, artist and author. Her book, Born Free, an international bestseller, describes her experiences raising a lion cub named Elsa. It was made into an Academy Award-winning movie of the same name. In 1977, she was awarded the Austrian Cross of Honour for Science and Art. * 1977: The Association for Women Geoscientists was founded. * 1977: Argentine-Canadian scientist Veronica Dahl became the first graduate at Université d'Aix-Marseille II (and one of the first women in the world) to earn a PhD in artificial intelligence. * 1977: Canadian-American Elizabeth Stern published her research on the link between birth control pills – which contained high levels of estrogen at the time – and the increased risk of cervical cancer development in women. Her data helped pressure the pharmaceutical industry into providing safer contraceptive pills with lower hormone doses. * 1978: Anna Jane Harrison became the first female president of the American Chemical Society. * 1978: Mildred Cohn served as the first female president of the American Society for Biochemistry and Molecular Biology, then called the American Society of Biological Chemists.


1980s

* 1980: Japanese geochemist Katsuko Saruhashi became the first woman elected to the Science Council of Japan. * 1980: Nigerian geophysicist Deborah Ajakaiye became the first woman in any West African country to be appointed a full professor of physics. Over the course of her scientific career, she became the first female Fellow elected to the Nigerian Academy of Science, and the first female dean of science in Nigeria. * 1981: Vera Rubin was the second woman astronomer elected to the National Academy of Science. Beginning her academic career as the sole undergraduate in astronomy at Vassar College, Rubin went on to graduate studies at Cornell University and Georgetown University, where she observed deviations from Hubble's law, Hubble flow in galaxies and provided evidence for the existence of Supercluster, galactic superclusters. *1982: Nephrologist Leah Lowenstein became the first woman dean of a Coed, co-educational medical school in the United States. *1982: Janet Vida Watson Fellow of the Royal Society, FRS Geological Society of London, FGS (1923–1985) was a British geologist. She was a professor of Geology at Imperial College London, Imperial College, London. A fellow of the
Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, r ...
, she is well known for her contribution to the understanding of the Lewisian complex and as an author and co-author of several books. In 1982 she was elected President of the Geological Society of London, the first woman to occupy that position. * 1983: American Cytogenetics, cytogeneticist Barbara McClintock received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
for her discovery of transposons, genetic transposition; she was the first woman to receive that prize without sharing it, and the first American woman to receive any unshared Nobel Prize. * 1983: Brazilian agronomist Johanna Döbereiner became a founding Fellow of the World Academy of Sciences. *1983: Indian immunologist Indira Nath became the first woman scientist to receive the Shanti Swarup Bhatnagar Prize for Science and Technology, Shanti Swaroop Bhatnagar Award in the Medical Sciences category. *1983: Geologist Sudipta Sengupta and marine biologist Aditi Pant became the first Indian women to visit the Antarctic. * 1985: After identifying HIV as the cause of HIV/AIDS, AIDS, Chinese-American virologist Flossie Wong-Staal became the first scientist to clone and genetically map the HIV virus, enabling the development of the first HIV blood screening tests. * 1986: Italian neurologist Rita Levi-Montalcini received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, shared with Stanley Cohen (biochemist), Stanley Cohen, "for their discoveries of growth factors". * 1988: American biochemist and Pharmacology, pharmacologist Gertrude B. Elion received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
along with James Black (pharmacologist), James W. Black and George H. Hitchings "for their discoveries of important principles for Pharmacology, drug treatment". * 1988: American scientist and inventor Patricia Bath (born 1942) became the first African-American to patent a medical device, namely the Laserphaco Probe for improving the use of lasers to remove cataracts.


1990s

* 1991: Doris Malkin Curtis became the first woman president of the
Geological Society of America The Geological Society of America (GSA) is a nonprofit organization dedicated to the advancement of the geosciences. History The society was founded in Ithaca, New York, in 1888 by Alexander Winchell, John J. Stevenson, Charles H. Hitch ...
. *1991: Indian geologist Sudipta Sengupta became the first woman scientist to receive the Shanti Swarup Bhatnagar Prize for Science and Technology, Shanti Swaroop Bhatnagar Award in the Earth Sciences category. *Helen Patricia Sharman, Order of St Michael and St George, CMG, Order of the British Empire, OBE, Royal Society of Chemistry, HonFRSC (born 30 May 1963) is a chemist who became the first British astronaut (and in particular, the first British cosmonaut) as well as the first woman to visit the ''Mir'' space station in May 1991. * 1992: Mae Carol Jemison is an American engineer, physician, and former NASA astronaut. She became the first black woman to travel into space when she served as a mission specialist aboard the Space Shuttle Endeavour. Jemison joined NASA's astronaut corps in 1987 and was selected to serve for the STS-47 mission, during which she orbited the Earth for nearly eight days on September 12–20, 1992. * 1992: Edith M. Flanigen became the first woman awarded the Perkin Medal (widely considered the highest honor in American industrial chemistry) for her outstanding achievements in applied chemistry. The medal especially recognized her syntheses of aluminophosphate and silicoaluminophosphate molecular sieves as new classes of materials. * 1995: German biologist Christiane Nüsslein-Volhard received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, shared with Edward B. Lewis and Eric F. Wieschaus, "for their discoveries concerning the genetic control of early Embryogenesis, embryonic development". * 1995: British geomorphologist Marjorie Sweeting published the first comprehensive Western account of China's karst, entitled ''Karst in China: its Geomorphology and Environment.'' * 1995: Israeli-Canadian mathematical biologist Leah Keshet became the first woman president of the international Society for Mathematical Biology. * 1995: Jane Plant became the first female Deputy Director of the British Geological Survey. *1995: Inspectors from the United Nations Special Commission discovered that Iraqi microbiologist Rihab Taha, nicknamed "Dr. Germ", had been overseeing a secret 10-year Iraqi biological weapons program, biological warfare development program in Iraq. * 1996: American planetary scientist Margaret G. Kivelson led a team that discovered the first subsurface, saltwater ocean on an alien world, on the Jovian moon Europa (moon), Europa. * 1997: Lithuanian-Canadian primatologist Birutė Galdikas received the Tyler Prize for Environmental Achievement for her research and rehabilitation work with orangutans. Her work with orangutans, eventually spanning over 30 years, was later recognized in 2014 as one of the longest continuous scientific studies of wild animals in history. *1997: Chilean astronomer María Teresa Ruiz discovered Kelu-1, Kelu 1, one of the first observed brown dwarfs. In recognition of her discovery, she became the first woman to receive the Chilean National Prize for Exact Sciences (Chile), National Prize for Exact Sciences. *1998: Nurse Fannie Gaston-Johansson became the first African-American woman Academic tenure, tenured full professor at Johns Hopkins University. * Late 1990s: Ethiopian-American chemist Sossina M. Haile developed the first solid acid fuel cell.


21st century


2000s

* 2000: Venezuelan astrophysicist Kathy Vivas presented her discovery of approximately 100 "new and very distant" RR Lyrae variable, RR Lyrae stars, providing insight into the structure and history of the Milky Way galaxy. * 2003: American geophysicist Claudia Alexander oversaw the final stages of Project Galileo, a space exploration mission that ended at the planet Jupiter. * 2004: American biologist Linda B. Buck received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
along with Richard Axel "for their discoveries of odorant receptors and the organization of the olfactory system". * 2006: Chilean biochemist Cecilia Hidalgo Tapia became the first woman to receive the Chilean National Prize for Natural Sciences (Chile), National Prize for Natural Sciences. * 2006: Chinese-American biochemist Yizhi Jane Tao led a team of researchers to become the first to map the atomic structure of Influenza A virus, Influenza A, contributing to Antiviral drug, antiviral research. *2006: Parasitologist Susan Lim (parasitologist), Susan Lim became the first Malaysian scientist elected to the International Commission on Zoological Nomenclature. * 2006: Merieme Chadid became the first Moroccan person and the first female astronomer to travel to Antarctica, leading an international team of scientists in the installation of a major observatory in the South Pole. * 2006: American computer scientist Frances E. Allen won the Turing Award for "pioneering contributions to the theory and practice of optimizing compiler techniques that laid the foundation for modern optimizing compilers and automatic parallel execution". She was the first woman to win the award. * 2006: Canadian-American computer scientist Maria Klawe became the president of Harvey Mudd College. * 2007: Using satellite imagery, Egyptian geomorphologist Eman Ghoneim discovered traces of an 11,000-year-old mega lake in the Sahara Desert. The discovery shed light on the origins of the largest modern groundwater reservoir in the world. * 2007: Physicist Ibtesam Badhrees was the first Saudi Arabian woman to become a member of the CERN, European Organization for Nuclear Research (CERN). * 2008: French virologist Francoise Barre-Sinoussi, Françoise Barré-Sinoussi received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, shared with Harald zur Hausen and Luc Montagnier, "for their discovery of HIV, human immunodeficiency virus". *2008: American-born Australian Penny Sackett became Australia's first female Chief Scientist. * 2008: American computer scientist Barbara Liskov won the Turing Award for "contributions to practical and theoretical foundations of programming language and system design, especially related to data abstraction, fault tolerance, and distributed computing". * 2009: American molecular biologist Carol W. Greider received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
along with Elizabeth Blackburn, Elizabeth H. Blackburn and Jack W. Szostak "for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase". * 2009: Israeli Crystallography, crystallographer Ada E. Yonath, along with Venkatraman Ramakrishnan and Thomas A. Steitz, received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
"for studies of the structure and function of the ribosome". * 2009: Chinese geneticist Zeng Fanyi and her research team published their experiment results proving that induced pluripotent stem cells can be used to generate whole mammalian bodies – in this case, live mice.


2010s

* 2010: Marcia McNutt became the first female director of the United States Geological Survey. *2011: Kazakhstani neuroscience student and computer hacker Alexandra Elbakyan launched Sci-Hub, a website that provides users with pirated copies of scholarly scientific papers. Within five years, Sci-Hub grew to contain 60 million papers and recorded over 42 million annual downloads by users. Elbakyan was finally sued by major academic publishing company Elsevier, and Sci-Hub was subsequently taken down, but it reappeared under different domain names. *2011: Taiwanese-American astrophysicist Chung-Pei Ma led a team of scientists in discovering two of the largest black holes ever observed. * 2012: Computer scientist and Cryptography, cryptographer Shafi Goldwasser won the Turing award for her contributions to cryptography and Computational complexity theory, complexity theory. * 2013: Canadian genetic specialist Turi King identified the 500-year-old skeletal remains of Richard III of England, King Richard III. * 2013: Kenyan ichthyologist Dorothy Wanja Nyingi published the first guide to freshwater fish species of Kenya. * 2014: Norwegian psychologist and neuroscientist May-Britt Moser received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, shared with Edvard Moser and John O'Keefe (neuroscientist), John O'Keefe, "for their discoveries of cells that constitute a positioning system in the brain". * 2014: American Paleoclimatology, paleoclimatologist and marine geologist Maureen Raymo became the first woman to be awarded the Wollaston Medal, the highest award of the Geological Society of London. * 2014: American theoretical physicist Shirley Ann Jackson was awarded the National Medal of Science. Jackson had been the first African-American woman to receive a PhD from the Massachusetts Institute of Technology, Massachusetts Institute of Technology (MIT) during the early 1970s, and the first woman to chair the U.S. Nuclear Regulatory Commission. * 2014: Iranian mathematician Maryam Mirzakhani became the first woman to receive the Fields Medal, for her work in "the dynamics and geometry of Riemann surfaces and their moduli spaces". * 2015: Chinese medical scientist Tu Youyou received the
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine ( sv, Nobelpriset i fysiologi eller medicin) is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or ...
, shared with William C. Campbell (scientist), William C. Campbell and Satoshi Ōmura; she received it "for her discoveries concerning a novel therapy against Malaria". *2015: Asha de Vos became the first Sri Lankan person to receive a PhD in marine mammal research, completing her thesis on "Factors influencing blue whale aggregations off southern Sri Lanka" at the University of Western Australia. * 2016: Marcia McNutt became the first woman president of the American
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nat ...
. * 2018: British astrophysicists Hiranya Peiris and Joanna Dunkley and Italian cosmologist Licia Verde were among 27 scientists awarded the Breakthrough Prize in Fundamental Physics for their contributions to "detailed maps of the early universe that greatly improved our knowledge of the evolution of the cosmos and the fluctuations that seeded the formation of galaxies". * 2018: British astrophysicist
Jocelyn Bell Burnell Dame Susan Jocelyn Bell Burnell (; Bell; born 15 July 1943) is an astrophysicist from Northern Ireland who, as a postgraduate student, discovered the first radio pulsars in 1967. The discovery eventually earned the Nobel Prize in Physics in ...
received the special Breakthrough Prize in Fundamental Physics for her scientific achievements and "inspiring leadership", worth $3 million. She donated the entirety of the prize money towards the creation of scholarships to assist women, underrepresented minorities and refugees who are pursuing the study of physics. * 2018: Canadian physicist Donna Strickland received the
Nobel Prize in Physics ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then " ...
"for groundbreaking inventions in the field of laser physics"; she shared it with Arthur Ashkin and Gérard Mourou. * 2018: Frances Arnold received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
"for the directed evolution of enzymes"; she shared it with George P. Smith (chemist), George Smith and Greg Winter, Gregory Winter, who received it "for the phage display of peptides and antibodies". This made Frances the first American woman to receive the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
. * 2018: For the first time in history, women received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
and the
Nobel Prize in Physics ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then " ...
in the same year. * 2019: Mathematician Karen Uhlenbeck became the first woman to win the Abel Prize for "her pioneering achievements in geometric partial differential equations, gauge theory, and integrable systems, and for the fundamental impact of her work on mathematical analysis, analysis, geometry and mathematical physics". * 2019: Imaging scientist Katie Bouman developed an algorithm that made the first visualization of a black hole possible using the Event Horizon Telescope. She was part of the team of over 200 people who implemented the project.


2020s

* 2020: The Nigerian Academy of Science elected epidemiologist/parasitologist Ekanem Ikpi Braide, Ekanem Braide as its first female president. * 2020: Brazilian Scientist and Researche
Jaqueline Goes de Jesus
sequenced COVID-19 genome in 12 hours. * 2020: Biochemists Jennifer Doudna (American) and Emmanuelle Charpentier (French) received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
for their work on CRISPR genome editing tool. * 2020: Andrea M. Ghez received the
Nobel Prize in Physics ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then " ...
for the discovery of a supermassive compact object. * 2020: German-Turkish scientist Özlem Türeci is the co-founder and chief medical officer of BioNTech. Her team developed BNT162b2 (tozinameran (INN)), commonly known as the Pfizer–BioNTech COVID-19 vaccine. * 2020: British vaccinologist Sarah Gilbert leads the development and testing of a vaccine which becomes the Oxford–AstraZeneca COVID-19 vaccine. * 2022: American chemist Carolyn R. Bertozzi received the
Nobel Prize in Chemistry ) , image = Nobel Prize.png , alt = A golden medallion with an embossed image of a bearded man facing left in profile. To the left of the man is the text "ALFR•" then "NOBEL", and on the right, the text (smaller) "NAT•" then "M ...
for her development of Bioorthogonal chemistry.


See also

*List of female scientists before the 20th century * Lists of women#Science, Lists of women in science * Women in geology#Timeline of women in geology, Timeline of women in geology * Timeline of women in library science * Timeline of women in computing * Timeline of women in mathematics * Timeline of women in mathematics in the United States * Timeline of women in science in the United States * Timeline of women's education * Women in physics


References


External links


Famous female scientists: A timeline of pioneering women in science
from the website of Dr Helen Klus {{DEFAULTSORT:.Timeline of women in science Timelines of women in history, science Science timelines Women scientists