Dr. David Keys has a PhD in physics from Washington University in St. Louis, Missouri (1984), and a master’s degree in theology from Franciscan University, Steubenville, Ohio (2012). For thirty-eight years, he worked in the field of Medical Physics, being involved in the physics of radiation for diagnostic imaging and for the treatment of cancer patients. Having completed his degree in theology, he has now left Medical Physics and has become a Catholic speaker and author with an interest in the synthesizing of science with religion.