Antonie Johannes Theodorus Janse
| Dr Anthonie Johannes Theodorus Janse | |
|---|---|
| Born | April 19, 1877 |
| Died | June 12, 1970 (aged 93) Pretoria, South Africa |
| Scientific career | |
| Fields | Entomology |
Dr Anthonie Johannes Theodorus Janse, also known as Antonius Johannes Theodorus Janse and by other spelling variations, was a South African entomologist who specalised in Lepidoptera. Janse was born in the Hague, Netherlands in 1877 to Antonie Johannes Janse and his wife Willemina Broekhuisen. He migrated to South Africa in 1889 and taught as a missionary in schools in northern Transvaal Waterval (Nuwe Smitsdorp). He was interned at Pinetown during the Second Boer War. He worked as a photographer in Pietersburg. He taught biology, geography, and human physiology at Normal College, Pretoria, from 1905 until his retirement in 1937. He was in charge of the Normal College Herbarium.
Initially he worked under primitive conditions collecting on foot or by donkey cart. He was widely respected as an authority on South African moths and was a botanist, collecting alongside Reino Leendertz. In 1921-1922 he visited Europe and worked in museums in London, Leiden and Berlin, comparing and identifying many hundreds of specimens he collected. In acknowledgement of his work he was presented in London with the Joicey collection of Pyralidae, which he brought back with him to Pretoria.
He lectured at Pretoria University College for many years and was made an honorary professor in Systematic Entomology there in 1923. In 1925 In 1925 the University of South Africa awarded him an honoris causa degree as Doctor of Science.
Once retired Janse worked as an entomologist at Transvaal Museum. He collected in excess of 100,000 specimens which were added to the museum's collection and further completed his multi-volume work entitled The Moths of South Africa (1932-1964), which is a definitive text. In 1945, the government of South Africa purchased his collection, equipment and library and placed it in the care of the Transvaal Museum, where he himself was appointed Honorary Curator of Heterocera. Due to lack of space, his collection remained at his house, where his laboratory was. The museum's collection of Heterocera moved there instead, thus merging the two collections.
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