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 Peace Prize at the time of Nobel's death. The Norwegian Nobel Committee speculates that Nobel may have considered Norway better suited to awarding the prize, as it did not have the same militaristic traditions as Sweden. It also notes that at the end of the 19th century, the Norwegian parliament had become closely involved in the Inter-Parliamentary Union's efforts to resolve conflicts through mediation and arbitration. The Norwegian Parliament appoints the Norwegian Nobel Committee, which selects the Nobel Peace Prize laureate. Each year, the Norwegian Nobel Committee specifically invites qualified people to submit nominations for the Nobel Peace Prize. The statutes of