Henry F. Vaughan organizations. Among the breakthroughs in disease control during his deanship, the public health school contributed through the development of the first influenza vaccine by Dr. Thomas Francis Jr. and the polio vaccine by Dr. Jonas Salk in 1954. Vaughan was heavily involved with the construction of the Public Health Building. He was also able to attain Nathan Sinai, Thomas Francis, and Kenneth Easlick as faculties who are highly regarded in the field of public health to establish a real competence in health services organization and epidemiology. By the end of retirement in 1960, Vaughan created a school that is the
Jonas Salk the University of Michigan. Francis had recently joined the faculty of the medical school after working for the Rockefeller Foundation, where he had discovered the type B influenza virus. According to Bookchin, "the two-month stint in Francis's lab was Salk's first introduction to the world of virology—and he was hooked." After graduating from medical school, Salk began his residency at New York's prestigious Mount Sinai Hospital, where he again worked in Francis's laboratory. In 1947, Salk became ambitious for his own lab and was granted one at the University of Pittsburgh School of Medicine, but the lab was smaller than