Helper, Keeper, Clerk, Head Keeper and Assistant Superintendent at ZSL London Zoo
Thomson began as a Helper at ZSL London Zoo in 1869, became a full Keeper in 1871, served as a Clerk in Bartlett's office from 1873 to 1889, when he became Head Keeper, until his appointment as Assistant Superintendent in 1899
Sir Arthur Landsborough Thomson was a Scottish medical researcher, amateur ornithologist, ornithological author and expert on bird migration. He was President of the British Ornithologists' Union from 1848-1955. He was President of the Zoological Society of London 1946-1950. He was Chairman of the British Trust for Ornithology 1941-1947 and won the Trust's Bernard Tucker Medal in 1957. In 1959 he was awarded the Godman-Salvin Medal.
Sir Charles Wyville Thomson was a Scottish natural historian and marine zoologist. He served as the chief scientist on the Challenger expedition. His work there revolutionised oceanography and led to his knighthood
Physicist and engineer