Sir Ronald Ross, British physician

Sir Ronald Ross, British physician

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Credit: SCIENCE PHOTO LIBRARY

Caption: Sir Ronald Ross. View of the British physician Sir Ronald Ross (1857-1932) with his wife and caged birds outside his laboratory in India. From 1890 he worked on malaria and, after a suggestion by British physician Patrick Manson that the disease was caused by mosquitoes, he dissected these insects looking for the malarial parasite that was found in infected people's blood. He finally found the parasite (Plasmodium sp.) in the Anopheles mosquito in 1897. The birds seen here were used to work out the parasite's life cycle. In 1900 Ross and others showed that human malaria is spread by the bite of the Anopheles mosquito. He won the Nobel Prize for medicine in 1902.

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Keywords: 1902, bird, cage, malaria researcher, medicine, mosquito research, nobel laureate, nobel prize, portraits, recipient, ronald, ross, surname r, winner

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