Invited Speaker H. Hugh Fudenberg, MD Cold Spring Harbor Symposium 1958 Gordon Conferences (intermittently) 1963-1980 First Decennial Lecturer, British Society of Immunology 1966 FASEB Interdisciplinary Symposium 1971 Chairman, International Symposium on recent advances on Immunomodulators Viareggio, Italy 1982 Chairman, International Congress on Clinical Cancer, Immunology-Como, Italy 1982 Chairman, Third Annual International Meeting on Clinical and Biological Evaluation of the Immunomodifiers Como, Menaggio, Italy 1983 Metchnikoff Phagocytosis Centennial Lecturer, University of Messina, Italy 1983 The Petroleum Club, Annual Lecture in Biotechnology, San Antonio, TX 1983 Chairman, Cancer Immunology Session, European Society of Immunology, Rome, Italy 1983 Nobel 150th Birthday Scientific Celebration, San Remo, Italy 1983 Plenary Lecturer, 9th International Symposium on Transfer Factor, Beijing, China 1983 Scientific Program Organizer and President, Italian Society of Cancer Immunology (Como) 1983 Featured Speaker of Italian Society of Immunopharmacology (Pisa) 1983 Retinitis Pigmentosa Telethon, Guest Speaker, Los Angeles 1984 Toxic Tort Forensic Medicine, Denver, CO 1984 The Second Hannah Conference on Medical Ethics, U. of Western Ontario, London, Ontario, Canada 1984 Participant, Second International Conference on Progress in Cancer Research, San Remo, Italy 1985 Visiting Professor, Middlesex Hospital, London, England 1987 New York Academy of Sciences several symposia Featured Speaker at various annual meetings: American Society of Clinical Chemists, Leukemia Society of America, American Academy of Pediatrics, American Cancer Society, International Society of Blood Transfusion, American Academy of Allergy, and the Russian Cancer Society