Chad Heap received his Ph.D. in history from the University of Chicago, where he curated and authored an exhibition catalogue entitled, Homosexuality in the City: A Century of Research at the University of Chicago. He is also the author of Slumming: Sexual and Racial Encounters in American Nightlife, 1885-1940, which will be published by the University of Chicago Press in the spring of 2008. His courses cover topics such as sexuality in U.S. history, U.S. urban history, and Washington sex scandals.

Charles Kaiser is the author of 1968 In America and The Gay Metropolis. He is a founder and former president of the New York chapter of the National Lesbian and Gay Journalists Association. His press criticism can be read at www.radaronline.com/fullcourtpress.

Frank Kameny is a gay rights activist who became the first openly gay candidate for the U.S. Congress when he ran in the District of Columbia's first election for a non-voting delegate to Congress. He was also appointed as the first openly gay member of the District of Columbia's Human Rights Commission in the 1970s.

Thom Nickels is the author of eight published books, including Philadelphia Architecture, Gay & Lesbian Philadelphia, PA (Images of America) and Out in History. Nickels is author of the play Lincoln in Louisville and was awarded the Philadelphia AIA Lewis Mumford Award for Architectural Journalism in 2005. Nickels is also a monthly architectural writer for the Evening Bulletin Magazine. His Web site is at www.tnickels.net.

Sharon Ullman specializes in 20th-century America with an emphasis on popular culture and gender. She is the author of Sex Seen: The Emergence of Modern Sexuality in America and (with Kathleen Kennedy) Sexual Borderlands: Constructing an American Sexual Past. Ullman is currently working on the culture of the Cold War and writing a book on brainwashing in the 1950s. Her courses include such topics as the history of sexuality,the Cold War, and film and national identity.