David K. Clark is Professor of Theology at Bethel Theological Seminary. Previously, he taught philosophy and theology at Toccoa Falls College. Clark holds a Ph.D. from Northwestern University and is the author of 'The Pantheism of Alan Watts' and coauthor (with Peter Emmett) of 'When Someone You Love Is Dying'.
Dr. Norman Geisler is author or coauthor of some fifty books and hundreds of articles. He has taught at the university and graduate level for nearly forty years and has spoken or debated in all fifty states and in twenty-five countries. He holds a Ph.D. in philosophy from Loyola University and now serves as President of Southern Evangelical Seminary, in Charlotte, NC.