Conversation so far:
What was Tatchell's role in the Gay Liberation Front?
in London became a leading member of the Gay Liberation Front (GLF.
What did he do within the group?
During this time Tatchell was prominent in organising sit-ins at pubs that refused to serve "poofs" and protests against police harassment.
What other events did he participate in?
With others he helped organise Britain's first Gay Pride march in 1972.
Who else worked with him in the GLF?
CANNOTANSWER.
How long was he a member of the GLF?
CANNOTANSWER.

Question: What gay rights did he advocate for?
Self-contained rewrite: What gay rights did Peter Tatchell advocate for?