(4 May 1932 - 6 January 2005) was an American physician and public health administrator.
He served as acting Surgeon General of the United States from 1973 to 1977.
Acting Surgeon General, United States Public Health Service (1973–77)
Former Deputy Director, Pan American Health Organization (1978–1983)
Director, Office of International Health, Office of the Secretary of Health, Education and Welfare (1969–1977)
Chairman of Executive Board, World Health Organization (1972)
Founding member of the World Cultural Council (1981).