Antoine Idier is Associate Professor in Political Science at Sciences-Po Saint-Germain-en-Laye and researcher at the Centre de recherches sociologiques sur le droit et les institutions pénales (CESDIP). His research focuses on sexuality and politics; he specializes in the history of social movements and LGBTQI+ movements, the history of ideas, queer theory, as well as contemporary visual art and literature. He published a biography of the French gay activist, writer, and theoretician Guy Hocquenghem (Les vies de Guy Hocquenghem, 2017); a book on LGBTQI+ archives (Archives des mouvements LGBT+, 2018); and a book on the visual artist Michel Journiac and AIDS (Pureté et impureté de l’art, 2019). He edited a collection of press articles by Guy Hocquenghem (2017) and a collection of writings by yann beauvais on experimental cinema (2022).