John Briggs is professor of English at the University of California, Riverside. Among his many publications is Lincoln's Speeches Reconsidered (2005).

James A. Dueholm is an attorney in Washington, D.C., who has written extensively on constitutional law and history.

Keith A. Erekson is assistant professor of history at the University of Texas at El Paso where he directs the Center for History Teaching & Learning. He is currently writing a book about popular interest in Abraham Lincoln.

John A. Lupton is associate director and associate editor of the Papers of Abraham Lincoln.

Matthew E. Mason is associate professor of history at Brigham Young University and is the author of Slavery and Politics in the Early American Republic (2006).

Matthew D. Norman is assistant professor of History and Civil War Era Studies at Gettysburg College. Previously he served as managing editor of the Presidential Papers of Abraham Lincoln On-line in conjunction with the Lincoln Studies Center at Knox College, Galesburg, Illinois.

Stewart Winger is associate professor of history at Illinois State University and is the author of Lincoln, Religion, and Romantic Cultural Politics (2003).