Jerry L. Walls is professor of philosophy of religion at Asbury Theological Seminary in Wilmore, Kentucky. His annual C. S. Lewis seminar is one of the school's most popular offerings. He is also author of Hell: The Logic of Damnation.
David J. Baggett (Ph.D., Wayne State University) is professor of philosophy at Liberty University in Lynchburg, Virginia. He is the coeditor (with Shawn Klein) of the book Harry Potter and Philosophy: If Aristotle Ran Hogwarts.