Ross, Sir Ronald, 1857–1932, English physician, b. Almora, India. He studied malaria in India as a member (1881–99) of the Indian Medical Service, was professor of tropical medicine at University College, Liverpool, from 1902, and directed the Ross Institute and Hospital for Tropical Diseases, London, from 1926. In 1898 he demonstrated the malarial parasite ( Plasmodium ) in the stomach of the Anopheles mosquito; in W Africa he discovered the mosquito that transmits African fever. He received the 1902 Nobel Prize in Physiology or Medicine for his work on malaria and was knighted in 1911. He also published poems, novels, and mathematical studies.
See his memoirs (1923); J. Rowland, The Mosquito Man (1958).
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