Paul E. Johnson is Distinguished Professor of History Emeritus at the University of South Carolina and is the author of numerous books, including Sam Patch, the Famous Jumper and A Shopkeeper's Millennium: Society and Revivals in Rochester, New York, 1815-1837.
Sean Wilentz is George Henry Davis 1886 Professor of American History, Princeton University. He is the author of Chants Democratic: New York City and the Rise of the American Working Class, 1788-1950 and The Rise of Democracy: Jefferson to Lincoln, among other titles.