Timeline
- 1973: Lou Sullivan starts dressing and passing as a man
- 1976: Lou Sullivan applies to the gender clinics for the first time, but they do not answer.
- April 1979: First Issue of Gateway
- July 1979: Lou Sullivan becomes the editor of the 2nd Volume of Gateway
- November 1979: Lou Sullivan begins taking hormones
- 1980 Transsexualism first appears in DSM III
- March 3, 1980: Lou Sullivan's first letter to David
- April 28, 1980: Lou Sullivan's second letter to David
- October 21, 1980: Lou Sullivan's third letter to David
- 1980: Lou Sullivan has chest surgery
- April 1986: Lou Sullivan has what his doctor calls "genitalplasty," which included testicle implants and a clitoral extension.
- December 1986: Lou Sullivan is diagnosed with HIV and told he has 10 months to live.
- September 1987 First issue of FTM
- May - July 1988 Lou Sullivan gets an MAI infection and loses a lot of weight.
- 1991: Lou Sullivan becomes the first transman to die of AIDS
- 1991: Jamison Green transforms FTM into FTM International or FTMI
- 2007: The Lou Sullivan Society (LSS) is created to continue the mentoring begun by Lou Sullivan.