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
2006 Nobel Peace Prize that Yunus was a poor choice for the award, stating: "...the Nobel committee could have made a braver, more difficult, choice by declaring that there would be no recipient at all." He is one of only seven persons to have won the Nobel Peace Prize, Presidential Medal of Freedom, and the Congressional Gold Medal. Other notable awards include the Ramon Magsaysay Award in 1984, the World Food Prize, the International Simon Bolivar Prize (1996), the Prince of Asturias Award for Concord and the Sydney Peace Prize in 1998, and the Seoul Peace Prize in 2006. Additionally, Yunus has been awarded