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 military junta, which decided not to allow her to attend the awarded ceremony. In 2017 her Nobel prize became a matter of controversy after United Nations' report which said Myanmar’s military carried out an act of genocide against Rohingya Muslims, an ethnic minority in Myanmar. Suu Kyi has repeatedly refused to speak out against violence committed by the military against the Rohingya and her silence over the mass killings has been likened by researchers to “legitimising genocide”. The 1990 prize went to Mikhail Gorbachev "for his leading role in the peace process which today characterizes important parts of the international