Gary Ecelbarger is an independent scholar who has authored and co-authored seven books and a dozen articles about events and personalities of the nineteenth century. His latest book is The Great Comeback: How Abraham Lincoln Beat the Odds to Win the 1860 Republican Nomination (Thomas Dunne Books, 2008).

John M. Hutchinson is president of Lincoln College in Lincoln, Illinois. He holds a Ph.D. from Purdue University in speech/language pathology and has published extensively in the field—having been a professor of speech/language pathology for two years at Michigan State and for fourteen years at Idaho State University where he conducted clinical and research work in addition to teaching.

Myron A. Marty is the Ann G. and Sigurd E. Anderson University Professor Emeritus at Drake University. He contributed a chapter on Abraham Lincoln's schooling to the recent anthology Lincoln's America (Southern Illinois University Press, 2008), and is the author of the forthcoming book Communities of Frank Lloyd Wright.

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

Robert D. Sampson is a writer at the University of Illinois at Urbana-Champaign where he earned his Ph.D. in American History. He is the author of John L. O'Sullivan and His Times (Kent State University Press, 2003), and is working on a book about the Illinois Civil War home front.

Daniel R. Vollaro is a postdoctoral fellow at Georgia Institute of Technology. He recently earned a Ph.D. in American Literature at Georgia State University. His dissertation, "Origins and Orthodoxy: Anthologies of American Literature and American History," examines how multiculturalism has influenced the treatment of American history in anthologies of American literature, including how Abraham Lincoln has fared in such anthologies.

David Zarefsky is the Owen L. Coon Professor of Communication Studies at Northwestern University. Among his many publications is Lincoln, Douglas and Slavery: In the Crucible of Public Debate (University of Chicago Press, 1990) and several articles on Lincoln's rhetoric, most recently "Rhetoric in Lincoln's Time" in the Fall 2008 issue of Lincoln Lore.