San Francisco Supervisor Harvey Milk, left, who was openly gay, talks with Gwenn Craig and Bill Kraus, co-coordinators of the San Francisco No on Prop 6 program in San Francisco on Nov. 7, 1978. Prop 6, which would have banned gay and lesbian teachers, was defeated.

San Francisco Supervisor Harvey Milk, left, who was openly gay, talks with Gwenn Craig and Bill Kraus, co-coordinators of the San Francisco No on Prop 6 program in San Francisco on Nov. 7, 1978. Prop 6, which would have banned gay and lesbian teachers, was defeated.