20th-century Scottish biologists

Scottish biologist, pharmacologist, botanist, and Nobel laureate (1881–1955)

Scottish doctor and pharmacologist (1924–2010)

Scottish nutritionist, Director-General of the United Nations Food and Agriculture Organization (1880-1971)

British biologist, botanist and town planner (1854-1932)

British virologist

Scottish biologist, mathematician, and classics scholar (*1860 – †1948)

Scottish biologist

Scottish carcinologist (1901-1988)

Scottish marine biologist and polar explorer (1902–1965)

Scottish biologist (born 1956)

British biologist (1922–2011)