John Craig HammondJohn Craig Hammond is an associate professor of history and assistant director of academic affairs at Penn State New Kensington in suburban Pittsburgh. He is the author and editor of numerous works on slavery and empire in North American histoy. Most recently, he is co-editor, with Jeffrey Pasley, of volume 1 of A Fire Bell in the Past: The Missouri Crisis at 200 (University of Missouri Press, 2021). Read More Read Less