Patricia Cline Cohen (Ph.D., University of California, Berkeley) is professor of history at the University of California, Santa Barbara, where she received the Distinguished Teaching Award in 2005–2006. She has written A Calculating People: The Spread of Numeracy in Early America and The Murder of Helen Jewett: The Life and Death of a Prostitute in Nineteenth-Century New York, and she has coauthored The Flash Press: Sporting Male Weeklies in 1840s New York.