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 did not award any prizes. In 1944, the Nobel Foundation, together with the three members in exile, made sure that nominations were submitted for the Peace Prize and that the prize could be awarded once again. In 1968, Sveriges Riksbank (Sweden's central bank) celebrated its 300th anniversary by donating a large sum of money to the Nobel Foundation to be used to set up a prize in honor of Nobel. The following year, the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel was awarded for the first time. The Royal Swedish Academy of Sciences became responsible for