Nathaniel Deutsch is professor of History at the University of California, Santa Cruz, where he holds the Baumgarten Chair in Jewish Studies. He is the author of numerous books, including-among others-The Maiden of Ludmir: A Jewish Holy Woman and Her World, Inventing America's "Worst" Family: Eugenics, Islam, and the Fall and Rise of the Tribe of Ishmael, The Jewish Dark Continent: Life and Death in the Russian Pale of Settlement, for which he received a Guggenheim Fellowship and which won a Jordan Schnitzer Book Award from the Association for Jewish Studies, and, with Michael Casper, A Fortress in Brooklyn: Race, Real Estate, and the Making of Hasidic Brooklyn, which won a National Jewish Book Award.