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Thomas Francis Jr.
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Thomas Francis Jr. was an American physician, virologist, and epidemiologist who guided the discovery and development of the polio vaccine being worked on by his student Jonas Salk. Francis was the fi
Thomas Francis Jr.
Leaders in the effort against polio were honored at the opening of the Polio Hall of Fame on January 2, 1958. From left: Thomas M. Rivers, Charles Arm
Leaders in the effort against polio were honored at the opening of the Polio Hall of Fame on January 2, 1958. From left: Thomas M. Rivers, Charles Armstrong, John R. Paul, Thomas Francis Jr., Albert Sabin, Joseph L. Melnick, Isabel Morgan, Howard A. Howe, David Bodian, Jonas Salk, Eleanor Roosevelt and Basil O'Connor.