Not Clearly Pro or Con to the question "Is Sexual Orientation Determined at Birth?"
"It would be wrong to see only an old, familiar pattern in the debate between essentialists and constructionists: nature vs. nurture, innate vs. acquired traits... Everyone agrees that innate as well as acquired factors have an effect on human behavior."
Bisexualities: The Ideology and Practice of Sexual Contact with both Men and Women, 1998
Experts Individuals with PhDs or equivalent advanced degrees in fields relevant to human sexuality. Also top-level government officials (such as foreign leaders, US presidents, Founding Fathers, Supreme Court Justices, members of legislative bodies, cabinet members, military leaders, etc.) with positions relevant to human sexuality.
Involvement and Affiliations:
Founder and Director, Archive for Sexology (formerly known as Magnus Hirschfeld Archive for Sexology), Berlin
Founder and Director, Archive for Sexology, Robert Koch Institute, Berlin, 1994-2001
Director, Information & Documentation, AIDS Center, Federal Health Office, Berlin, 1988-1994
President, German Society for Social-Scientific Sex Research, 1986-2002
Research Associate, Kinsey Institute, 1982-1984
Fellow, American Academy of Clinical Sexologists, Society for the Scientific Study of Sexuality
Member, International Academy of Sex Research
Gold Medal of the World Association of Sexology
William H. Masters Medal of Sexology of the American Academy of Clinical Sexologists
EdD, Sexology, Institute for Advanced Study of Human Sexuality, UC San Francisco, 1977
Postdoctoral Fellow, Japanese & Korean Studies, UC Berkeley, 1968-1969
Postdoctoral Fellow, American Studies, Yale University, 1966-1968
DPhil, American Literature, University of Heidelberg, 1966