Max Theiler working on yellow fever. In 1926, they disproved Hideyo Noguchi's hypothesis that yellow fever was caused by the bacterium "Leptospira icteroides." In 1928, the year after the disease was identified conclusively as a virus, they showed that the African and South American viruses are immunologically identical. (This followed Adrian Stokes' inducing yellow fever in rhesus macaques from India). In the course of this research, Theiler contracted yellow fever, but survived and developed immunity. In 1930, Theiler moved to the Rockefeller Foundation in New York, where he later became director of the Virus Laboratory. He was professor of epidemiology and public
Nobel Prize controversies any German to receive any of the Nobel Prizes in the future, and his prize was not allowed to be mentioned in the German press. Gandhi never received the Nobel Peace Prize, although he was nominated five times between 1937 and 1948. In 1948 Gandhi received six letters of nomination and was on the short list for the Peace Prize but he was assassinated on 30 January 1948, two days before the closing date for nominations. The Nobel Committee decided against awarding the prize, saying the laureate could only be awarded posthumously if he/she died after the Committee's decision had