James M. Cornelius has been the Lincoln Curator at the Abraham Lincoln Presidential Library and Museum for more than a decade. He is the author, co-author, and/or editor of a dozen books on Lincoln or and other contemporaneous topics. Most recently, he and Dr. Carla Knorowski wrote Under Lincoln’s Hat: 100 Objects that Tell the Story of His Life and Legacy (2016).

Allen C. Guelzo is the Henry R. Luce Professor of the Civil War Era and Director of Civil War Era Studies at Gettysburg College, and also the William Lockhart Garwood Visiting Professor in the James Madison Program at Princeton University. His website is allenguelzo.com.

Drew R. McCoy is the Jacob and Frances Hiatt Professor of History at Clark University. He is the author of numerous articles and two books, including The Last of the Fathers: James Madison and the Republican Legacy. His current project is biographical, focusing on the early life of Abraham Lincoln in relation to the transformative developments of the early nineteenth century.

Mark A. Neels is Visiting Professor of History at Western Wyoming Community College. A native of St. Louis, Missouri, he holds a Ph.D. in History from Southern Illinois University. His dissertation, entitled “Lincoln’s Conservatives: Conservative Unionism and Political Tradition in the Civil War Era,” is the winner of the 2017 Hay-Nicolay Dissertation Prize.

Martin H. Quitt is Professor Emeritus of History at the University of Massachusetts Boston. He is the author of Stephen A. Douglas and Antebellum America (Cambridge, 2012).