Gertrud Theiler

Gertrud Theiler (11 September 1897 – 2 May 1986) was a South African parasitologist and teacher most noted for her work with nematodes and ticks.[1]

Gertrud Theiler
Born(1897-09-11)11 September 1897
Pretoria, South Africa
Died2 May 1986(1986-05-02) (aged 88)
Stilbaai, South Africa
NationalitySouth African
Alma materB.Sc., South African College, 1918; D.Sc. University of Neuchâtel, 1922
Known forParasitologist
Parent(s)Sir Arnold and Emma Sophie (Jegge) Theiler

Early life

Born on 11 September 1897 in Pretoria, South Africa, Theiler graduated from Pretoria Girls’ High School and spent a year at Rhodes University College in Grahamstown, South Africa, before transferring to South African College in Cape Town, where she graduated in 1918 with a Bachelor of Science degree.[1] She went to Europe to undertake postgraduate work in helminthology at the University of Neuchâtel, Switzerland, where she took her Doctor of Science degree in 1923.[1] The subject of her doctoral thesis is The Strongylids and other Nematodes Parasitic in The Intestinal Tract of South African Equines (PhD). Université de Neuchâtel. OCLC 9666178.. She then studied at the Liverpool School of Tropical Medicine, and the London School of Tropical Medicine, authoring four important scientific papers on research concerning the nematode parasites of South African equines.[1]

Teaching and research career

She returned to South Africa in 1924 and taught biology for 17 years, the last two at Jeppe High School for Girls in Johannesburg.[1] She then secured a lectureship at Huguenot College in Wellington, South Africa, where in 1935 she was appointed to a professorship in Zoology and Physiology.[1] In 1939 she lectured at Rhodes University College, before accepting a research post in the entomology section at Onderstepoort Veterinary Institute, where she studied ticks for the following 25 years, becoming well known around the world in her field[1] and counting among her colleagues such luminaries as Jane Brotherton Walker and Harry Hoogstraal.

She retired from her official duties in 1967, but continued to work at Onderstepoort as an emeritus faculty member until 1983, when deafness and failing sight forced her full retirement.[1]

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 (sometimes spelled Stillbay), South Africa, where she died on 2 May 1986.[1]

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.[1]

The Gertrud Theiler Tick Museum housing the South Africa National Tick Collection which opened on 23 August 2005 at the Onderstepoort Veterinary Institute, Onderstepoort, South Africa, was named after Theiler in honor of the many years she dedicated to the collection.[2]

The argasid tick Argas theilerae (Hoogstraal and Kaiser, 1970), "Theiler's African white-backed vulture argasid," and the ixodid tick Rhipicephalus gertrudae (Feldman-Muhsam, 1960) were named to honor Theiler for her many contributions to tick research.[3][4]

Personal

Theiler was the youngest daughter of Sir Arnold Theiler KCMG, founder and first director of the Veterinary Institute, Onderstepoort, and his wife, Emma Sophie Jegge;[1] in 1971, she authored a biography of her father.[5] She was a sister of virologist Max Theiler, who was awarded the 1951 Nobel Prize in Physiology or Medicine for development of the yellow fever vaccine.[6]

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References
  1. "Gertrud Theiler 1897 - 1986". South African History Online. Retrieved 14 February 2012.
  2. "Gertrud Theiler Tick Museum, South Africa National Tick Collection". South Africa Agricultural Research Council. Archived from the original on 15 October 2006. Retrieved 14 February 2012.
  3. Hoogstraal, Harry; Kaiser, Makram N. (1970). "The subgenus Persicargas (Ixodoidea, Argasidae, Argas). 8. A. (P.) theilerae, new species, a parasite of the white-backed vulture in South Africa". Annals of the Entomological Society of America. 63 (1): 205–210. doi:10.1093/aesa/63.1.205. ISSN 1938-2901.
  4. Brouria Feldman-Muhsam. 1960. The South African Ticks Rhipicephalus capensis Koch and R. gertrudae n. sp. Journal of Parasitology, 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."
  5. Theiler, Gertrud (1971). Arnold Theiler (1867-1936), His Life and Times. Pretoria: Van Schaik. ISBN 978-0-86979-061-8. hdl:2263/425.CS1 maint: ref=harv (link)
  6. "Max Theiler". Notable Names Database. Retrieved 14 February 2012.
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