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Clarence Dennis

Clarence Dennis, surgeon, educator. Diplomate American Board Surgery. Recipient Modern Medicine award for distinguished achievement, 1973, John H. Gibbon award American Society Extracorporeal Technicians, 1974, dedication Forum on Fundamental Surgical Problems, American College of Surgeons, 1987.


  • Dennis, Clarence was born on June 16, 1909 in St. Paul. Son of Warren Arthur and Clara May (Van Orman) Dennis.

  • Education

    • Bachelor of Science, Harvard University, 1931; Doctor of Medicine, Johns Hopkins University, 1935; Master of Science, University Minnesota, 1938; Doctor of Philosophy, University Minnesota, 1940; Doctor of Science (honorary)., SUNYHealth Science Center, Brooklyn, 1988.


    • Trained in surgery under Doctor O.H. Wangensteen, University Minnesota, 1935-1940. In physiology with Doctor Bachelor of Medicine Visscher, 1937-1938, instructor in physiology, 1938-1939, in surgery, 1940-1941, from assistant professor to associate professor, 1941-1947. Professor surgery, 1947-1951.

      Professor State University of New York Downstate Medical Center, 1951-1972, chairman department surgery, 1952-1972. Director division technical applications National Heart and Lung Institute, National Institutes of Health, Bethesda, Maryland, 1972-1973. Special assistant for technical Office of Director, National Heart, Lung and Blood Institute, 1973-1974.

      Professor surgery State University of New York at Stony Brook, 1974-1988. Clinical professor surgery University Minnesota, Minneapolis, 1989—2005. Associate chief staff for Research and Development Veterans Administration Medical Center, Northport, New York, 1975—1988, surgical consultant, Minnesota, 1989—2001.

      Director Cancer Detection Center University Minnesota, 1991—1996. Surgeon-in-chief Kings County Hospital, 1960—1972.

    Major achievements

    • Diplomate American Board Surgery.


    • Contributor articles to professional publications and textbooks.


    Fellow American College of Surgeons (past governor, dedication The Forum Volunteer 1987), member Association Advancement Medical Instrumentation (president 1980-1982, chairman board 1982-1984, Laufman-Greatbatch award for contributions to instrumentation 1984), American Heart Association, American Society for Artificial Internal Organs (past president), International Surgical Society (past president United States chapter), Society Vascular Surgery (past president), New York Surgical Society (past president), Brooklyn Surgical Society (past president), American Association Surgery Trauma, American Association Thoracic Surgery, Society University Surgeons, American Surgical Association (past vice president), Society Clinical Surgery, Society Experimental Biology and Medicine, New York Cancer Society (past president), International Cardiovascular Society, Society Surgery Alimentary Tract, National Society Medical Research (president 1977-1979), New York Society Thoracic Surgery, Society University Surgical (past secretary), Foundation biomedical Research (board directors 1989-2005).


    • Married Eleanor Mary Smith, June 17, 1939. Children: Jane E. Dennis Wigertz, Richard, James, David.

      Married Mary Elise Mott, March 12, 1977. Stepdaughter, Katherine Elise Franda.
    • child: Jane E. Dennis Wigertz Dennis
    • child: Richard Dennis
    • child: James Dennis
    • child: David Dennis
    • mother: Clara May (Van Orman) Dennis
    • spouse: Eleanor Mary Smith
    • spouse: Mary Elise Mott
    • father: Warren Arthur Dennis
    See on larger map
    Died July 11, 2005
    (aged 96)
    • 1931
      Harvard University
    • 1935
      Johns Hopkins University
    • 1938
      University Minnesota
    • 1940
      University Minnesota
    • 1988
      SUNYHealth Science Center
    • 1935 - 1940
      Trained in surgery under Doctor O.H. Wangensteen
    • 1940 - 1941
      in physiology with Doctor Bachelor of Medicine Visscher
    • 1947 - 1951
      professor, surgery
    • 1972 - 1973
      director, division technical applications National Heart and Lung Institute
    • 1973 - 1974
      special assistant, for technical Office of Director
    • 1974 - 1988
      professor, surgery State University of New York at Stony Brook
    • 1989 - 2005
      clinical professor, surgery University Minnesota
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