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
Franklin A. Neva Franklin A. Neva Franklin Allen Neva (June 8, 1922, Cloquet, Minnesota – October 16, 2011, Billings, Montana) was a virologist and physician who discovered Boston exanthem disease, helped isolate rubella virus, and worked with Jonas Salk on the development of the polio vaccine. He was the first member of the American Society of Tropical Medicine and Hygiene to receive the Ben Kean Medal, in 1995, and also won the Donald Mackay Medal. Neva received his MD from University of Minnesota Medical School in 1946, as part of a Navy training program. He completed his medical residency at Boston City Hospital,