Intern Sydenham Hospital, New York City, 1931-1933. District physician Boston Dispensary, 1933-1935. Resident, assistant pathologist Massachusetts General Hospital, 1935-1940.
Director labs. Bethesda Hospital, Cincinnati, 1941-1948, Cincinnati General Hospital, 1948-1971. Assistant medicine, instructor pathology Tufts Medical School, 1933-1940. Instructor pathology Harvard Medical School, 1940-1941.
Assistant and associate professor pathology U. Cincinnati, 1941-1948, Mary M. Emery professor pathology, 1948-1971, professor emeritus, 1976-1979, vice-president, director Medical Center, 1970-1974, vice-president, director emeritus, 1976-1979, distinguished service professor pathology, 1974-1979. Cons. Armed Forces Institute Pathology, VA, Daniel Drake, Dunham, Children’s hospitals.
Member American Association Pathologists and Bacteriologists (president 1963-1964), Sociedad Peruana de Anatomiá Patalógica (honorary), International Academy Pathology (executive council 1962-1965, president 1969-1970), American Society Experimental Pathology, Society Experimental Biology and Medicine, American Society Clinical Pathologists (director 1962-1968, Ward Burdick medal 1976), Central Society Clinical Research, Japanese American Society Pathologists Tokyo (honorary), Arthur Purdy Stout Society Surgical Pathologists (honorary 1978), American Association for Cancer Education (president 1971-1972), American Federation Clinical Oncologic Socs. (president 1973-1974), Pan-American Medical Association (president section on general pathology), National Board Medical Examiners, Council Foreign Medical Graduates, Sigma Xi, Alpha Omega Alpha.