Sarah Stewart Sarah Stewart Born (1905-08-16)August 16, 1905 Tecalitlán, Jalisco, Mexico Died November 27, 1976(1976-11-27) (aged 71) New Smyrna Beach, Florida Citizenship USA Alma mater Georgetown University School of Medicine Known for first describing the Polyomavirus Scientific career Fields Viral Oncology Institutions United States Public Health Service