Dr. Norman Geisler is the author or co-author of some 70 books and hundreds of articles. He has taught theology, philosophy, and apologetics on the college or graduate level for 50 years. He has spoken or debated in some 26 countries on six continents. He has a B.A, M.A., Th.B., and Ph.D (in philosophy). He has taught at some of the top Seminaries in the United States, including Trinity Evangelical and Dallas Seminary and currently he is Distinguished Professor of Apologetics at Veritas Evangelical Seminary in Murrieta, CA (www.VeritasSeminary.com). He maintains an active writing, speaking, and lecturing ministry across the country.