Derek Freeman Professions : Anthropologist Born : August 15, 1916 Died : July 6, 2001 Browse All Authors Famous Quotes by Derek Freeman What our species needs, above all else, is a generally accepted ethical system that is compatible with the scientific knowledge we now possess. Derek Freeman ethics morality needs Similar Authors Bronislaw Malinowski anthropologist Angeles Arrien anthropologist Ann Dunham anthropologist Ashley Montagu anthropologist Arthur Demarest anthropologist Anthony F. C. Wallace anthropologist All Authors