Bachelor, Cambridge University, England, 1943. Bachelor of Medicine, BCh, Cambridge University, England, 1944. Master of Arts, Cambridge University, England, 1945.
Doctor of Philosophy, London University, 1949. Doctor of Science, London University, 1962. Department of Community Health, London University, 1946.
Lecturer in Physiology, The London Hospital 1948-1951. Nuffield Research Assistant University College, London 1951-1954, Nuffield Research Fellow in Biology of Senescence 1954-1963. Director Medical Research Council Research Group in Ageing, University College, London 1963-1970.
Director of Research, Gerontology, University College, London 1970-1973.
Clinical lecturer. Department Psychiatry, Stanford University 1974-1983. Professor Department Pathology, Irvine Medical College, University of California 197678.
Adjunct Professor, Department Psychiatry, University of Southern California 1977-1981. Adjunct Professor Department Psychiatry University of California, Los Angeles since 1979.
Consultant, Geriatric Psychiatry, Virginia Hospital, Brentwood, California 1977-1982, Ventura Company Medical Centre since 1983.
Member Royal College Surgeons, College Physicians and Surgeons (Saskatchewan), Royal Society Medicine (London), British Society Research on Aging (president 1969), American Psychiatric Association.
Married Ruth Muriel Harris, 1943 (divorced 1973). 1 child, Nicholas Alfred Fenner. Married Jane Tristram Henderson, June 8, 1973 (deceased 1991).