R.C. Metcalf is author of the Science & Religion bestseller Letter to a Christian Nation: Counter Point (2007) and Colliding with Christ: The Science of the Resurrection (2008). Dr. Metcalf holds an M.S. in Science Education, a partial Master’s Degree in Theology and is a practicing pediatric dentist. He is a member of American Mensa and the Phi Kappa Phi Honorary Society.  He has also been a member of the American Scientific Affiliation and the Evangelical Philosophical Society.  Dr. Metcalf, a native of Washington, D.C., has held research positions at both the U.S. Food & Drug Administration and the National Institutes of Health. He has been an evangelical Christian for over 40 years and enjoys spending time with his wife and four children.



Shawn White has spent the past 11 years as a software developer for both desktop and web-based applications. Prior to that he spent four years serving in the US Army as a military intelligence analyst. Shawn attended Southern Evangelical Bible College (SEBC) where he completed his BA in Religious Studies and recently completed a Masters in Apologetics at Biola University in La Mirada, CA. Shawn has been teaching and actively presenting Apologetics for the past 10+ years in the Phoenix, Arizona area where he lives with his lovely wife Davina. Shawn enjoys teaching Apologetics, Worldview Training, and speaking about his faith with others.