Norman L. Geisler (BA, MA, Wheaton College; PhD, Loyola University) has authored or coauthored over eighty books and hundreds of articles. He has taught theology, philosophy, and apologetics on the college or graduate level for over fifty years. He has served as a professor at some of the finest seminaries in the United States, including Trinity Evangelical Divinity School, Dallas Theological Seminary, and Southern Evangelical Seminary. He now lends his talents to Veritas Evangelical Seminary in Murrieta, California, as the Distinguished Professor of Apologetics.

Daniel J. McCoy (MA, Veritas Evangelical Seminary) is an associate minister and Christian school teacher, and is currently working toward a PhD through North-West University.