Timothy J. Gilfoyle (Ph.D. Columbia University) is professor of history at Loyola University Chicago. Dr. Gilfoyle's research and teaching focuses on American urban and social history. His books include A Pickpocket's Tale: The Underworld of Nineteenth Century New York; Millennium Park:Creating a Chicago Landmark; and City of Eros: New York City, Prostitution and the Commercialization of Sex, 1790-1920. He is also the co-author with Patricia Cline Cohen and Helen Lefkowitz Horowitz The Flash Press: Sporting Men's Weeklies in the 1840s. Gilfoyle has been a Minow Family Foundation Fellow, a John Simon Guggenheim Memorial Foundation Fellow, a senior fellow at the Smithsonian Institution's Museum of American History, and an N.E.H./Lloyd Lewis Fellow at the Newberry Library in Chicago.