Geoffrey Wiedeman received a baccalaureate in philosophy from the College Municipal de Cannes in France in June 1934. He then emigrated to the United States, where he attended the University of Vermont, graduating with a bachelor of science degree, in 1938, and doctor of medicine degree, in 1941. After serving as a Medical Officer in the Army Air Forces in World War II, he transferred to the U.S. Air Force when it became a separate branch of service in 1947. He retired in 1974 as a U.S. Air Force Brigadier General.