Gertrud Theiler
   HOME

TheInfoList



OR:

Gertrud Theiler (11 September 1897 – 2 May 1986) was a South African
parasitologist Parasitology is the study of parasites, their hosts, and the relationship between them. As a biological discipline, the scope of parasitology is not determined by the organism or environment in question but by their way of life. This means it f ...
and
teacher A teacher, also called a schoolteacher or formally an educator, is a person who helps students to acquire knowledge, competence, or virtue, via the practice of teaching. ''Informally'' the role of teacher may be taken on by anyone (e.g. whe ...
most noted for her work with
nematode The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhab ...
s and
ticks Ticks (order Ixodida) are parasitic arachnids that are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, species, and "fullness". Ticks are external parasites, living by ...
.


Early life

Born on 11 September 1897 in
Pretoria, South Africa Pretoria () is South Africa's administrative capital, serving as the seat of the executive branch of government, and as the host to all foreign embassies to South Africa. Pretoria straddles the Apies River and extends eastward into the foothi ...
, Theiler graduated from
Pretoria Girls' High School Pretoria High School for Girls (Simply often known as PHSG), is a full-government, fee-charging, English-medium high school for girls located in Hatfield, Pretoria in the Gauteng province of South Africa. It is the sister school to Pretoria Boys ...
and spent a year at
Rhodes University Rhodes University is a public university, public research university located in Makhanda, Eastern Cape, Makhanda (Grahamstown) in the Eastern Cape Province of South Africa. It is one of four universities in the province. Established in 1904, ...
College in
Grahamstown Makhanda, also known as Grahamstown, is a town of about 140,000 people in the Eastern Cape province of South Africa. It is situated about northeast of Port Elizabeth and southwest of East London, Eastern Cape, East London. Makhanda is the lar ...
, South Africa, before transferring to
South African College The South African College was an educational institution in Cape Town, South Africa, which developed into the University of Cape Town (UCT) and the South African College Schools (SACS). History The process that would lead to the formation of t ...
in
Cape Town Cape Town ( af, Kaapstad; , xh, iKapa) is one of South Africa's three capital cities, serving as the seat of the Parliament of South Africa. It is the legislative capital of the country, the oldest city in the country, and the second largest ...
, where she graduated in 1918 with a
Bachelor of Science degree A Bachelor of Science (BS, BSc, SB, or ScB; from the Latin ') is a bachelor's degree awarded for programs that generally last three to five years. The first university to admit a student to the degree of Bachelor of Science was the University of ...
. She went to Europe to undertake postgraduate work in
helminthology Helminthology is the study of parasitic worms (helminths). The field studies the taxonomy of helminths and their effects on their hosts. The origin of the first compound of the word is the Greek '' ἕλμινς'' - helmins, meaning "worm". In ...
at the
University of Neuchâtel The University of Neuchâtel (UniNE) is a French-speaking university based in Neuchâtel, Switzerland. The university has four faculties (schools) and more than a dozen institutes, including arts and human sciences, natural sciences, law and eco ...
,
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
, where she took her
Doctor of 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 ...
degree in 1923. The subject of her doctoral thesis is . She then studied at the
Liverpool School of Tropical Medicine The Liverpool School of Tropical Medicine (LSTM) is a higher education institution with degree awarding powers and registered charity located in Liverpool, United Kingdom. Established in 1898, it was the first institution in the world dedicated ...
, and the
London School of Tropical Medicine The London School of Hygiene and Tropical Medicine (LSHTM) is a public research university in Bloomsbury, central London, and a member institution of the University of London that specialises in public health and tropical medicine. The inst ...
, authoring four important scientific papers on research concerning the
nematode The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhab ...
parasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has ...
s of South African
equines ''Equus'' , is a genus of mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neo ...
.


Teaching and research career

She returned to South Africa in 1924 and taught
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 ...
for 17 years, the last two at
Jeppe High School for Girls Jeppe High School for Girls is a public English medium high school for girls situated in the suburb of Kensington in Johannesburg in the Gauteng province of South Africa, The school's address is 160 Roberts Ave, Kensington, Johannesburg, 2094, S ...
in
Johannesburg Johannesburg ( , , ; Zulu and xh, eGoli ), colloquially known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a megacity, and is one of the 100 largest urban areas in the world. According to Demo ...
. She then secured a
lectureship Lecturer is an academic rank Academic rank (also scientific rank) is the rank of a scientist or teacher in a college, high school, university or research establishment. The academic ranks indicate relative importance and power of individuals ...
at
Huguenot College The Huguenot College in Wellington, South Africa, is a private institute focused on training social and church service workers. Historical overview The Huguenot College has its origins in three educational institutions which previously existed ...
in
Wellington, South Africa Wellington is a town in the Western Cape Winelands, a 45-minute drive from Cape Town, in South Africa with a population of approximately 62,000. Wellington's economy is centered on agriculture such as wine, table grapes, deciduous fruit, and a bra ...
, where in 1935 she was appointed to a
professorship Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...
in
Zoology 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, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...
and
Physiology Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a sub-discipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out the chemical ...
. In 1939 she lectured at Rhodes University College, before accepting a research post in the
entomology Entomology () is the science, scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such ...
section at Onderstepoort Veterinary Institute, where she studied ticks for the following 25 years, becoming well known around the world in her field. Her colleagues included the notable researchers
Jane Brotherton Walker Jane Brotherton Walker (31 January 1925 – 3 April 2009) was a leading 20th century expert in the field of tick taxonomy, particularly in Africa.Ivan G. Horak. 2009. Obituary, Jane B. Walker. ''International Conference on Ticks and Tick-borne D ...
and
Harry Hoogstraal Harry Hoogstraal (born in Chicago, Illinois, February 24, 1917, died in Cairo, Egypt, on his 69th birthday, February 24, 1986) was an American entomologist and parasitologist. He was described as "the greatest authority on ticks and tickborne dis ...
. She retired from her official duties in 1967, but continued to work at Onderstepoort as an
emeritus ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...
faculty member until 1983, when deafness and failing sight forced her full retirement. Theiler served on the Council of the Wild Life Protection and Conservation Society of South Africa for 30 years and as chairperson of the editorial committee for their magazine, ''African Wild Life'', and was a founder of the Austin Roberts Bird Sanctuary in Pretoria. The last three years of her life were spent in
Stilbaai Stilbaai, also known as the ''Bay of Sleeping Beauty'', is a town along the southern coast of South Africa about four hours by car from Cape Town. It is part of the Hessequa Local Municipality in the Western Cape province. Alternate spellings of t ...
(sometimes spelled Stillbay), South Africa, where she died on 2 May 1986.


Honours

Theiler was awarded the Captain Scott Medal of the South African Biological Society in 1960, and the Elsdon Dew Medal of the Parasitological Society of Southern Africa in 1975. The Gertrud Theiler Tick Museum housing the South Africa National Tick Collection which opened on 23 August 2005 at the Onderstepoort Veterinary Institute,
Onderstepoort Onderstepoort is situated in Pretoria, Gauteng, South Africa. Onderstepoort Veterinary Institute and the University of Pretoria Faculty of Veterinary Science, founded by Sir Arnold Theiler, is also situated here. The institute is known for tropi ...
, South Africa, was named after Theiler in honor of the many years she dedicated to the collection. The argasid tick ''Argas theilerae'' (Hoogstraal and Kaiser, 1970), "Theiler's African white-backed vulture argasid," and the
ixodid The Ixodidae are the family of hard ticks or scale ticks, one of the three families of ticks, consisting of over 700 species. They are known as 'hard ticks' because they have a scutum or hard shield, which the other major family of ticks, the 'sof ...
tick '' Rhipicephalus gertrudae'' (Feldman-Muhsam, 1960) were named to honor Theiler for her many contributions to tick research.Brouria Feldman-Muhsam. 1960. The South African Ticks ''Rhipicephalus capensis'' Koch and ''R. gertrudae'' n. sp. ''
Journal of Parasitology The ''Journal of Parasitology'' is a peer-reviewed medical journal covering research on parasites published bimonthly by Allen Press on behalf of the American Society of Parasitologists. Content includes research articles, brief research notes, ann ...
'', 46(1):101-108; "We propose to call the new species ''R. gertrudae'' in honor of Dr. Gertrud Theiler, through whose courtesy most of our material was obtained."


Personal

Theiler was the youngest daughter of Sir
Arnold Theiler Sir Arnold Theiler KCMG (26 March 1867 – 24 July 1936) Pour le Mérite is considered to be the father of veterinary science in South Africa. He was born in Frick, Canton Aargau, Switzerland. He received his higher education, and later qu ...
, founder and first director of the Veterinary Institute, Onderstepoort, and his wife, Emma Sophie Jegge; in 1971, she authored a biography of her father. She was a sister of virologist
Max Theiler Max Theiler (30 January 1899 – 11 August 1972) was a South African-American virologist and physician. He was awarded the Nobel Prize in Physiology or Medicine in 1951 for developing a vaccine against yellow fever in 1937, becoming the first ...
, who was awarded the 1951
Nobel Prize in Physiology or Medicine The Nobel Prize in Physiology or Medicine is awarded yearly by the Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Prize is not a single prize, but five separate prizes that, accord ...
for development of the
yellow fever vaccine Yellow fever vaccine is a vaccine that protects against yellow fever. Yellow fever is a viral infection that occurs in Africa and South America. Most people begin to develop immunity within ten days of vaccination and 99 percent are protected ...
.


References


External links

*
The Gertrud Theiler Tick Museum
{{DEFAULTSORT:Theiler, Gertrud 20th-century South African women scientists 1897 births 1986 deaths South African entomologists Women entomologists South African parasitologists South African people of Swiss descent South African expatriates in Switzerland University of Neuchâtel alumni Women parasitologists 20th-century South African zoologists