An Interview With Richard Berkowitz - from The Huffington Post

Richard Berkowitz (L) and Michael Callen (R) writing How to Have Sex in an Epidemic.

Richard Berkowitz (born 1955) is a gay American author and activist. An early advocate of safe sex as a response to the AIDS crisis among gay men in the 1980s, he co-wrote with Michael Callen one of the earliest 'sex-positive manifestos', How to Have Sex in an Epidemic in 1983.

The Huffington Post has published an interview with Berkowitz. (Sadly, Callen died of AIDS-related complications in 1993, aged 38. 
http://www.huffingtonpost.com/mark-adnum/richard-berkowitz-interview_b_2618794.html
NOTE: The article and How to Have Sex in an Epidemic both contain sexually explicit language. Read on at your own discretion.

You can read the full text of How to Have Sex in an Epidemic through scanned images of the original document here:
http://richardberkowitz.com/category/4-how-to-have-sex-in-an-epidemic/

More information here: 
http://en.wikipedia.org/wiki/Richard_Berkowitz
http://en.wikipedia.org/wiki/Michael_Callen