Beginning in 1987, Bochow distributed the first of what developed into a series of questionnaires concerning the behavior of homosexual men, surveying sex practices (both safe and risky) as well as the awareness of HIV, AIDS, and prevention among men who have sex with men.[1] These studies, which were supplemented by interviews, were initially commissioned by the Deutsche AIDS-Hilfe, the national umbrella organization of over 100 local agencies offering education and providing services to people with HIV infections, and subsequently by the federal agency for health education.