David J. Coles, professor of history at Longwood University, is the associate editor of the Encyclopedia of Civil War, coauthor of Sons of Garibaldi in Blue and Gray, and coeditor of the Encyclopedia of the American Civil War.

Stephen D. Engle, professor of history at Florida Atlantic University, has authored several books including Struggle for the Heartland, Gathering to Save a Nation, and In Pursuit of Justice: The Life of John Albion Andrew.