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Brownlee, John (1868–1927), public health officer, geneticist, and medical statistician, was born at Rutherglen, Lanarkshire, on 21 June 1868, the elder of the two sons of John Brownlee (1826–1899), Church of Scotland minister, and his wife, Mary, née Stevenson (1833–1894). He studied mathematics and natural philosophy at ...


Henry Letheby (1816–1876) by W. & D. Downey ? National Portrait Gallery, London


Letheby, Henry (1816–1876), analytical chemist and public health official, was born in Plymouth. He began his study of chemistry at the Cornwall Polytechnic Society in Falmouth. In 1837 he enrolled in Aldersgate Street medical school, where he was a class prizewinner and subsequently assistant of ...