Richard Powell is a graduate of the United States Naval Academy and Arizona State University. He retired as vice president for research at the University of Arizona. He has authored four advanced physics books, a high school physics textbook, and over 260 research articles. Powell is an elected fellow of both the American Physical Society and the Optical Society of America (OSA) and has served as president of OSA.

Doug Powell received an MA in Christian Apologetics from Biola University and has done postgraduate work on the Shroud of Turin through the Athenium Pontificio Regina Apostolorum. He is the author of more than a dozen books on apologetics, including the best-selling Ultimate Guide to Defend Your Faith. In addition, he is the creator of the Graham Eliot series of biblical archaeological thrillers. As a musician and songwriter, he has released nine albums and performed on Late Night with Conan O'Brien, CNN, and NPR.