Marc Stein is a historian of sexuality, a political activist, and an award-winning teacher, writer, editor, and scholar. He earned a B.A. from Wesleyan University in 1985 and a Ph.D. from the University of Pennsylvania in 1994. After twenty years of teaching at Bryn Mawr College in Pennsylvania (1995-96), Colby College in Maine (1996-98), and York University in Toronto (1998-2014), he was appointed the Jamie and Phyllis Pasker Professor of History at San Francisco State University in 2014. The author of City of Sisterly and Brotherly Loves: Lesbian and Gay Philadelphia, 1945-1972 (University of Chicago Press, 2000), Sexual Injustice: Supreme Court Decisions from Griswold to Roe (University of North Carolina Press, 2010), and Rethinking the Gay and Lesbian Movement (Routledge, 2012), he also served as the editor-in-chief of the three volume Encyclopedia of Lesbian, Gay, Bisexual, and Transgender History in America (Scribners, 2003). Stein is the former editor of Gay Community News in Boston, the former chair of the American Historical Association’s Committee on Lesbian and Gay History, and the former chair of the Organization of American Historians’ Committee on the Status of LGBTQ Historians and Histories.