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Christophers, Sir (Samuel) Rickard (1873–1978), protozoologist and tropical medicine specialist, was born on 27 November 1873 in Liverpool, the elder son and eldest of three children of Samuel Hunt Christophers and his wife, Mary Selina, daughter of William Rickard, a mining expert in ...


Stephens, John William Watson (1865–1946), parasitologist and expert on tropical diseases, was born on 2 March 1865 at Holcwm, Ferryside, Carmarthenshire, the second of three sons of John Stephens, barrister, and Martha, daughter of Captain David Davies RM, of Transmawr, Carmarthenshire. He was educated at a preparatory school in ...