Eric Foner is DeWitt Clinton Professor of History at Columbia University. He is the author of, among other works, Who Owns History? Rethinking the Past in a Changing World; Reconstruction: America's Unfinished Revolution, winner of the Bancroft Prize; Freedom's Lawmakers: A Directory of Black Officeholders During Reconstruction; and Nothing But Freedom: Emancipation and Its Legacy.
Olivia Mahoney is senior curator at the Chicago History Museum.