sentences:  After an Osler medical internship at the Johns Hopkins Hospital in Baltimore, Maryland in 1949, he served as a medical resident on the Tulane Medical Service of Charity Hospital in New Orleans, Louisiana.In 1950-1954, he was in the US Army Medical Corps, as an investigator at the Climatic Research Laboratory in Lawrence, Massachusetts.He served as a battalion surgeon in Korea and a medical officer (Internist, US Army 343 Army Hosp) in Koizumi, Japan and Taiwan.