Leon F. Litwack, PhD is the Pulitzer Prize-winning author of Trouble in Mind: Black Southerners in the Age of Jim Crow, Been in the Storm So Long: The Aftermath of Slavery, and North of Slavery: The Negro in the Free States, 1790-1860. He is the recipient of the Parkman Prize, a Guggenheim Fellowship, two Distinguished Teaching Awards, and a National Endowment for the Humanities Film Grant, and is the Alexander F. and May T. Morrison Professor of American History Emeritus at the University of California, Berkeley.