Mario Mieli was a leading figure in the Italian gay movement of the 1970s, respected as one of the movement's most profound intellectuals. He committed suicide in 1983 at the age of 30. His work Towards a Gay Communism (Pluto, 2018) was considered a controversial classic of the era.

Massimo Prearo is currently a Marie Curie Research Fellow at the Research Centre Politesse of the University of Verona, where he is studying the rise of Italian LGBT activism in the late 1990s and the early 2000s. He is also the Director of the academic electronic journal Genre, Sexualité & Société.

Tim Dean is Professor of English at the University of Illinois. He is the author of numerous books including Porn Archives (Duke University Press, 2014), Unlimited Intimacy: Reflections on the Subculture of Barebacking (University of Chicago Press, 2009), and Beyond Sexuality (University of Chicago Press, 2000). 

Evan Calder Williams is a writer, theorist and artist based in Santa Cruz, California. He is the author of Combined and Uneven Apocalypse (Zero, 2015).