He studied anthropology at the Universidad de Buenos Aires and Latin American history at the University of Chicago. Professor Ben has published numerous articles on gender and sexuality in both English and Spanish. Some of his work focuses on Argentina, but he has recently begun to explore a transnational and comparative approach to studying the history of sexuality. He is currently writing a book titled “The Rise and Fall of the Cities of Sin: Male Homosexuality and Female Prostitution in Buenos Aires and Other Global Cities, 1880–1950.”