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 been given a Nobel Prize because he has made known his intention to refuse the reward is ridiculous", further stating a recipient could only decline a Nobel Prize after he is announced a winner. Otto Heinrich Warburg, a German national who won the 1931 Nobel Prize in Physiology and Medicine, was rumored to have been selected for the 1944 prize but forbidden to accept it. According to the Nobel Foundation, this story is not true. Multiple primary fields of human intellectual endeavor—such as mathematics, philosophy and social studies—were not included among the Nobel Prizes, because they were not part of