James Stuart Thomson FRSE FLS (21 July 1868 – 28 August 1932) was a 19th/20th century Scottish zoologist.
He was born on 21 July 1868 at Pilmuir near East Saltoun in East Lothian, the youngest son and seventh child of Rev Arthur Thomson (1823-1881) a minister of the Free Church of Scotland, and his wife, Isabella Landsborough.
He held teaching posts at Plymouth and Edinburgh and then Assistant Biologist at the research station at the Cape of Good Hope in 1903.
He helped assess material from the Challenger Expedition in Edinburgh and at the Granton Marine Station.
[3] He spent some time lecturing in zoology at the South African College and University of Bristol before accepting a permanent position at the University of Manchester in 1910, lecturing under Prof Sydney J.