The GRO Births Index for Dec 1/4 1900: Trewavas Ethelwyn Penzance Vol 5c page 233
b. Penzance, Cornwall, England 5 November 1900; d. Englan d 16 August 1993
She was a research assistant to C. Tate Regan in 1928 when he was madeDirector of the British Museum (Natural History). She did not officiallyjoined the BM until 1935 as an Assistant Keeper although the BM had itsfirst women members of staff in 1928-1929. She worked mostly on Africanfreshwater fishes. Dr Trewavas described Clarias cavernicola (Trewavas1936).
Regan, in turn, was joined at the British Museum in 1928, and waseventually succeeded there, by Ethelwynn Trewavas (1900-1993, seen atleft in 1986). Trewavas's papers on Malawi cichlids spanned the longinterval from 1931 through the 1980's. When nearly blind, "E.T."collaborated with David Eccles to publish a book-length revision (Eccles& Trewavas, 1989) of Lake Malawi's non-mbuna haplochromine flock thatintroduced new generic names for numerous morphologically isolatedspecies and for many phenetic groups often based on color pattern. [Photocourtesy of Ad Konings]