Jean Baker is Elizabeth Todd Professor of History at Goucher College. She is best known for her innovative study Affairs of Party: The Political Culture of Northern Democrats in the Mid-Nineteenth Century (1983) and Mary Todd Lincoln: A Biography (1987). She wrote the James Buchanan volume for the Times Books American Presidents Series in 2004. Her most recent book is Sisters: The Lives of America's Suffragists (2005).

James A. Dueholm clerked for the Minnesota Supreme Court following graduation from Harvard Law School and practiced law in Minneapolis for three decades. He has written extensively, including a book on constitutional law and articles on the Establishment Clause and the 2000 Florida election.

Nicole Etcheson is Alexander M. Bracken Professor of History at Ball State University. She is the author of Bleeding Kansas: Contested Liberty in the Civil War Era (2004), a History Book Club selection. Her current book project is a Civil War home-front study of Putnam County, Indiana.

Glenn W. LaFantasie holds the Richard Frockt Family Chair in Civil War History at Western Kentucky University, where he is also director of The Center for the Study of the Civil War in the West. He has written several books on Gettysburg themes, the most recent being Gettysburg Heroes: Perfect Soldiers, Hallowed Ground (2008). His next project is a book on Lincoln and Grant.

Colin McCoy is Visiting Assistant Professor of History at Skidmore College. He is currently preparing for publication an expanded version of his dissertation, "Democracy in Print: The Literature of Persuasion in Jacksonian America, 1815–1840."

Matthew Pinsker holds the Pohanka Chair in American Civil War History at Dickinson College. He wrote the Lincoln volume for the CQ Press American Presidents Reference Series in 2002, and he is the author of Lincoln's Sanctuary: Abraham Lincoln and the Soldiers' Home (2003).