Selma Dritz , epidemiologistDr. Selma Kaderman Dritz (June 29, 1917 ? September 3, 2008) assistant director of the San Francisco Health Department's Bureau of Communicable Disease Control, where she began tracking the first known cases of AIDS in the earl

Selma Dritz , epidemiologistDr. Selma Kaderman Dritz (June 29, 1917 ? September 3, 2008) assistant director of the San Francisco Health Department's Bureau of Communicable Disease Control, where she began tracking the first known cases of AIDS in the early 1980s. Along with Dr. Erwin Braff, the director of her bureau, Dritz took note of a strange new form of pneumonia and a new form of cancer; Kaposi's sarcoma, both of which were afflicting gay men. 05/12/1982HIVGay Rights Project (Photo by Eric Luse/San Francisco Chronicle via Getty Images)