Thomas Francis Jr.

Thomas Francis Jr.
Born(1900-07-15)July 15, 1900
DiedOctober 1, 1969(1969-10-01) (aged 69)
Alma materYale University
Known fordevelopment of vaccine against influenza virus A and B
AwardsMedal of Freedom in 1946
Scientific career
Fieldsvirology, influenza research
InstitutionsUniversity of Michigan
Doctoral advisorFrancis Gilman Blake
Doctoral studentsJonas Salk
Signature

Thomas Francis Jr. (July 15, 1900 – October 1, 1969) 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 first person to isolate influenza virus in the United States, and in 1940 showed that there are other strains of influenza, and took part in the development of influenza vaccines.