Paris-Sud University (French: ''Université Paris-Sud''), also known as University of Paris — XI (or as Université d'Orsay before 1971), was a French research university distributed among several campuses in the southern suburbs of

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. S ...

, including

Orsay Orsay () is a Communes of France, commune in the Essonne Departments of France, department in Île-de-France in northern France. It is located in the southwestern suburbs of Paris, France, from the Kilometre Zero, centre of Paris. A fortifie ...

Cachan Cachan () is a Communes of France, commune in the southern suburbs of Paris, France. It is located from the Kilometre Zero, center of Paris. The prestigious École normale supérieure Paris-Saclay and École Spéciale des Travaux Publics are loc ...

Châtenay-Malabry Châtenay-Malabry () is a commune in the southwestern suburbs of Paris. It is located 10.8 km (6.7 mi) from the center of Paris. The French writer Chateaubriand lived in the estate ''Vallée-aux-Loups'' at Châtenay-Malabry. The Gar ...

, Sceaux, and Kremlin-Bicêtre campuses. The main campus was located in Orsay. Starting from 2020, University Paris Sud has been replaced by the

University of Paris-Saclay Paris-Saclay University (french: Université Paris-Saclay) is a public research university based in Paris, France. It is one of the 13 prestigious universities that emerged from the division of the University of Paris, also known as the Sorbonne. ...

in The League of European Research Universities (LERU). Paris-Sud was one of the largest and most prestigious universities in France, particularly in science and mathematics. The university was ranked 1st in France, 9th in Europe and 37th worldwide by 2019

Academic Ranking of World Universities The ''Academic Ranking of World Universities'' (''ARWU''), also known as the Shanghai Ranking, is one of the annual publications of world university rankings. The league table was originally compiled and issued by Shanghai Jiao Tong University ...

(ARWU) in particular it was ranked as 1st in Europe for physics and 2nd in Europe for mathematics. Five

Fields Medal The Fields Medal is a prize awarded to two, three, or four mathematicians under 40 years of age at the International Congress of the International Mathematical Union (IMU), a meeting that takes place every four years. The name of the award ho ...

ists and two

Nobel Prize Winners The Nobel Prizes ( sv, Nobelpriset, no, Nobelprisen) are awarded annually by the Royal Swedish Academy of Sciences, the Swedish Academy, the Karolinska Institutet, and the Norwegian Nobel Committee to individuals and organizations who make out ...

have been affiliated to the university. On 16 January 2019, Alain Sarfati was elected President of Université Paris-Sud. He succeeds Sylvie Retailleau who was elected as President of ComUE

Université Paris-Saclay Paris-Saclay University (french: Université Paris-Saclay) is a public research university based in Paris, France. It is one of the 13 prestigious universities that emerged from the division of the University of Paris, also known as the Sorbonne. ...

History

Paris-Sud was originally part of the

University of Paris , image_name = Coat of arms of the University of Paris.svg , image_size = 150px , caption = Coat of Arms , latin_name = Universitas magistrorum et scholarium Parisiensis , motto = ''Hic et ubique terrarum'' (Latin) , mottoeng = Here and a ...

, which was subsequently split into several universities. After World War II, the rapid growth of nuclear physics and chemistry meant that research needed more and more powerful accelerators, which required large areas. The University of Paris, the

École Normale Supérieure École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...

and the

Collège de France The Collège de France (), formerly known as the ''Collège Royal'' or as the ''Collège impérial'' founded in 1530 by François I, is a higher education and research establishment (''grand établissement'') in France. It is located in Paris ne ...

looked for space in the south of Paris near

. Later some of the teaching activity of the Faculty of Sciences in Paris was transferred to Orsay in 1956 at the request of

Irène Joliot-Curie Irène Joliot-Curie (; ; 12 September 1897 – 17 March 1956) was a French chemist, physicist and politician, the elder daughter of Pierre and Marie Curie, and the wife of Frédéric Joliot-Curie. Jointly with her husband, Joliot-Curie was award ...

and

Frédéric Joliot-Curie Jean Frédéric Joliot-Curie (; ; 19 March 1900 – 14 August 1958) was a French physicist and husband of Irène Joliot-Curie, with whom he was jointly awarded the Nobel Prize in Chemistry in 1935 for their discovery of Induced radioactivity. T ...

. The rapid increase of students led to the independence of the Orsay Center on 1 March 1965 (sometimes called "Université d'Orsay" thereafter). The institution became the "University of Paris-Sud (Paris XI)" in 1971. Paris-Sud hosted a great number of laboratories on its large (236 ha) campus. Many of the top French laboratories were among them especially 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) an ...

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 ...

astrophysics Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline said, Astrophysics "seeks to ascertain the nature of the h ...

atomic physics Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. Atomic physics typically refers to the study of atomic structure and the interaction between atoms. It is primarily concerned wit ...

and

molecular physics Molecular physics is the study of the physical properties of molecules and molecular dynamics. The field overlaps significantly with physical chemistry, chemical physics, and quantum chemistry. It is often considered as a sub-field of atomic, mo ...

condensed matter physics Condensed matter physics is the field of physics that deals with the macroscopic and microscopic physical properties of matter, especially the solid and liquid phases which arise from electromagnetic forces between atoms. More generally, the sub ...

theoretical physics Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena. This is in contrast to experimental physics, which uses experim ...

electronics The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification ...

nanoscience The nanoscopic scale (or nanoscale) usually refers to structures with a length scale applicable to nanotechnology, usually cited as 1–100 nanometers (nm). A nanometer is a billionth of a meter. The nanoscopic scale is (roughly speaking) a lo ...

and

nanotechnology Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological goal o ...

. University of Paris-Sud comprised some 104 research units.

Pierre-Gilles de Gennes Pierre-Gilles de Gennes (; 24 October 1932 – 18 May 2007) was a French physicist and the Nobel Prize laureate in physics in 1991. Education and early life He was born in Paris, France, and was home-schooled to the age of 12. By the age of ...

and

Albert Fert Albert Fert (; born 7 March 1938) is a French physicist and one of the discoverers of giant magnetoresistance which brought about a breakthrough in gigabyte hard disks. Currently, he is an emeritus professor at Paris-Saclay University in Orsay, ...

, two

Nobel Prize The Nobel Prizes ( ; sv, Nobelpriset ; no, Nobelprisen ) are five separate prizes that, according to Alfred Nobel's will of 1895, are awarded to "those who, during the preceding year, have conferred the greatest benefit to humankind." Alfr ...

winners of physics, were affiliated to the University of Paris-Sud. A number of the most renowned French mathematicians were affiliated with the University of Paris-Sud as well. Among them are the Fields medalists

Pierre Deligne Pierre René, Viscount Deligne (; born 3 October 1944) is a Belgian mathematician. He is best known for work on the Weil conjectures, leading to a complete proof in 1973. He is the winner of the 2013 Abel Prize, 2008 Wolf Prize, 1988 Crafoord Pr ...

Laurent Lafforgue Laurent Lafforgue (; born 6 November 1966) is a French mathematician. He has made outstanding contributions to Langlands' program in the fields of number theory and analysis, and in particular proved the Langlands conjectures for the automorphism ...

Jean-Christophe Yoccoz Jean-Christophe Yoccoz (29 May 1957 – 3 September 2016) was a French mathematician. He was awarded a Fields Medal in 1994, for his work on dynamical systems. Biography Yoccoz attended the Lycée Louis-le-Grand, during which time he was a silv ...

Wendelin Werner Wendelin Werner (born 23 September 1968) is a German-born French mathematician working on random processes such as self-avoiding random walks, Brownian motion, Schramm–Loewner evolution, and related theories in probability theory and mathematica ...

and

Ngô Bảo Châu Ngô Bảo Châu (, born June 28, 1972) is a Vietnamese-French mathematician at the University of Chicago, best known for proving the fundamental lemma for automorphic forms (proposed by Robert Langlands and Diana Shelstad). He is the first Vie ...

. Paris-Sud also comprised

biology Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary i ...

and

chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

laboratories,

engineering Engineering is the use of scientific method, scientific principles to design and build machines, structures, and other items, including bridges, tunnels, roads, vehicles, and buildings. The discipline of engineering encompasses a broad rang ...

and

technology Technology is the application of knowledge to reach practical goals in a specifiable and reproducible way. The word ''technology'' may also mean the product of such an endeavor. The use of technology is widely prevalent in medicine, science, ...

schools and had established partnerships with many of the surrounding

centres and

Grandes Ecoles Grandes may refer to: *Agustín Muñoz Grandes, Spanish general and politician *Banksia ser. Grandes, a series of plant species native to Australia * Grandes y San Martín, a municipality located in the province of Ávila, Castile and León, Spain ...

. It also included Schools of Law, Economics and Management. Starting from 2020, University Paris Sud has been replaced by the

Notable people

Fields Medal

(Fields Medal, 1978) *

(Fields Medal, 1994) *

(Fields Medal, 2002) *

(Fields Medal, 2006) *

(Fields Medal, 2010)

Nobel Prize

(Nobel Prize in physics, 1991) *

(Nobel Prize in physics, 2007) *

Alain Aspect Alain Aspect (; born 15 June 1947) is a French physicist noted for his experimental work on quantum entanglement. Aspect was awarded the 2022 Nobel Prize in Physics, jointly with John Clauser and Anton Zeilinger, "for experiments with entangle ...

(Nobel Prize in Physics, 2022)

Others

Aristides Baltas Aristides Baltas ( el, Αριστείδης Μπαλτάς; born 9 February 1943) is a philosopher of science and physicist who served as the Minister of Culture and Sports of Greece and as the Minister of Culture, Education and Religious Affairs ...

, philosopher of science, physicist, and former Minister of Culture and Sports of Greece, as well as Minister of Education and Religious Affairs *

Katarina Barley Katarina Barley (born 19 November 1968) is a German politician and lawyer who has been a Member of the European Parliament since 2019, serving as one of its Vice-Presidents. She served as Federal Minister of Justice and Consumer Protection in th ...

, German politician and lawyer, current Federal Minister of Justice and Consumer Protection in the fourth Cabinet of

Angela Merkel Angela Dorothea Merkel (; ; born 17 July 1954) is a German former politician and scientist who served as Chancellor of Germany from 2005 to 2021. A member of the Christian Democratic Union (CDU), she previously served as Leader of the Oppo ...

* Agnès Barthélémy, physicist, expert on nanostructures *

Étienne-Émile Baulieu Étienne-Émile Baulieu (born 12 December 1926) is a French biochemist and endocrinologist who is best known for his research in the field of steroid hormones and their role in reproduction and aging. Biography Baulieu was born Émile Blum to J ...

, chemist *

Louis-Marie de Blignières Louis-Marie de Blignières, born Olivier de Blignières on April 11, 1949 in Madrid) is a French traditionalist Catholic priest, and the founder of the Fraternity of Saint Vincent Ferrier. Biography The son of Hervé Le Barbier de Blignièr ...

, Traditionalist Catholic priest * Charles Édouard Bouée, CEO of Roland Berger Consulting * Olivier Bohuon, Chief Executive of

Smith & Nephew Smith & Nephew plc, also known as Smith+Nephew, is a British multinational medical equipment manufacturing company headquartered in Watford, England. It is an international producer of advanced wound management products, arthroscopy products, ...

plc * Marielle Chartier, physicist *

Jean-Louis Colliot-Thélène Jean-Louis Colliot-Thélène (born 2 December 1947), is a French mathematician. He is a Directeur de Recherches at CNRS at the Université Paris-Saclay in Orsay. He studies mainly number theory and arithmetic geometry. Awards *Prize of the Fren ...

, French

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

Monique Combescure Monique Combescure (born 23 April 1950, née Moulin), is a French physicist specializing in mathematical physics. In 2001, she became director of research at the Lyon Institute of Nuclear Physics. From 2000 to 2008, she was director of the Europea ...

, French mathematical physicist * Michel Davier, physicist *

Adrien Douady Adrien Douady (; 25 September 1935 – 2 November 2006) was a French mathematician. Douady was a student of Henri Cartan at the École normale supérieure, and initially worked in homological algebra. His thesis concerned deformations of complex ...

, mathematician *

Cornelia Druțu Cornelia Druțu is a Romanian mathematician notable for her contributions in the area of geometric group theory. She is Professor of mathematics at the University of Oxford and Fellow of Exeter College, Oxford. Education and career Druțu wa ...

, Romanian mathematician, professor of mathematics at the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

Anne Dambricourt-Malassé Dr Anne Dambricourt-Malassé (born 1959) is a paleoanthropologist at the French National Centre for Scientific Research (CNRS). She has advocated a highly controversial non-Darwinian view of human evolution with theories similar to punctuated eq ...

, paleoanthropologist *

Jean-Marc Fontaine Jean-Marc Fontaine (13 March 1944 – 29 January 2019) was a French mathematician. He was one of the founders of p-adic Hodge theory. He was a professor at Paris-Sud 11 University from 1988 to his death. Life In 1962 Fontaine entered the Écol ...

, mathematician *

Erol Gelenbe Sami Erol Gelenbe (born 22 August 1945, in Istanbul, Turkey) is a Turkish and French computer scientist, electronic engineer and applied mathematician who pioneered the field of Computer System and Network Performance in Europe, and is active i ...

, Professor Univ. Paris-Sud (1979-1986), Computer Scientist, Fellow of the

French Academy of Technologies The National Academy of Technologies of France (''Académie des technologies'') is a learned society, founded in 2000, with an emphasis on technology, and the newest of French academies. In 2007 it acquired the status of ''établissement public'', w ...

, the

Royal Academy of Science, Letters and Fine Arts of Belgium The Royal Academy of Science, Letters and Fine Arts of Belgium (french: Académie royale des sciences, des lettres et des beaux-arts de Belgique, sometimes referred to as ') is the independent learned society of science and arts of the French Comm ...

The Science Academy Society of Turkey The Science Academy Society (Bilim Akademisi Derneği) is an independent, private, self-governing organization founded on November 25, 2011 in Istanbul, Turkey. The Association, referred to from here on as the Science Academy Society, is an indepen ...

and other academies,

Mustafa Prize The Mustafa Prize is a science and technology award, granted to top researchers and scientists from the Organisation of Islamic Cooperation (OIC) member states. The prize is granted to scholars of the Islamic world as one of the symbols of scient ...

2017. *

Jean Ginibre Jean Ginibre (4 March 1938 — 26 March 2020) was a French mathematical physicist. He is known for his contributions to random matrix theory (see circular law), statistical mechanics (see FKG inequality, Ginibre inequality), and partial diffe ...

, mathematician * Henri B. Kagan, chemist, winner of the

Wolf Prize in Chemistry The Wolf Prize in Chemistry is awarded annually by the Wolf Foundation in Israel. It is one of the six Wolf Prizes established by the Foundation and awarded since 1978; the others are in Agriculture, Mathematics, Medicine, Physics and Arts. Laure ...

(2001) * André Lagarrigue, physicist *

Serge Latouche Serge Latouche (; ; born 12 January 1940) is a French emeritus professor of economics at the University of Paris-Sud. He holds a degree in political sciences, philosophy and economy. Work Latouche is a specialist in North-South economic and c ...

, economist *

Jean-Yves Le Gall Jean-Yves Le Gall (born 30 April 1959) is an engineering graduate from the École supérieure d'optique (1981) and holds a doctorate in engineering from the University of Paris-Sud (1983). He began his career in 1981 as a researcher at the Astrono ...

, President of National Centre for Space Studies (CNES) *

André Neveu André Neveu (; born 28 August 1946) is a French physicist working on string theory and quantum field theory who coinvented the Neveu–Schwarz algebra and the Gross–Neveu model. Biography Neveu studied in Paris at the École Normale Supér ...

, physicist * Véronique Newland, CEO, New Vision Technologies *

Bernadette Perrin-Riou Bernadette Perrin-Riou (born 1 August 1955) is a French number theorist. Early life Perrin-Riou was born on 1 August 1955 in Les Vans, Ardèche, France. Her parents had both had a scientific education; her mother and father were a physicist and che ...

, mathematician and recipient of the

Satter Prize The Ruth Lyttle Satter Prize in Mathematics, also called the Satter Prize, is one of twenty-one prizes given out by the American Mathematical Society (AMS). It is presented biennially in recognition of an outstanding contribution to mathematics ...

Bertrand Serlet Bertrand Serlet (; born 1960) is a French software engineer and businessman; he worked first at the ''Institut national de recherche en informatique et en automatique'' (INRIA) before leaving France for the United States in 1985. He was the Seni ...

, former Senior Vice President of

Software Engineering Software engineering is a systematic engineering approach to software development. A software engineer is a person who applies the principles of software engineering to design, develop, maintain, test, and evaluate computer software. The term '' ...

Apple Inc. Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company b ...

* François Baccelli, mathematician and engineer

Rankings

* Paris-Sud was ranked 1st in France, 9th in Europe and 37th worldwide by the 2019

(ARWU). (5th in Mathematics, 9th in Physics worldwide). * In October 2015, The University of Paris Sud has been ranked 10th best university worldwide in the

Times Higher Education ''Times Higher Education'' (''THE''), formerly ''The Times Higher Education Supplement'' (''The Thes''), is a British magazine reporting specifically on news and issues related to higher education. Ownership TPG Capital acquired TSL Education ...

Under 50 which is a ranking of the world top 100 universities under 50 years old. * QS Ranking has ranked the University 262nd in the world, 97th in Natural Science, 101-150th in Medicine and 285th in Engineering and Technology.

Points of interest

* Parc botanique de Launay

References

External links

Paris-Sud University official website
(in English)

(in French) {{DEFAULTSORT:Paris 11, University of Paris-Sud Defunct universities in Paris Buildings and structures in Essonne Educational institutions established in 1971