Norman L. Geisler (PhD, Loyola University of Chicago) taught at top evangelical colleges and seminaries for over fifty years and was a distinguished professor of apologetics and theology at Veritas Ev…
Nancy Randolph Pearcey is the Francis A. Schaeffer Scholar at the World Journalism Institute, where she teaches a worldview course based on the study guide edition of Total Truth: Liberating Christian…
Terry Johnson was born and raised in Los Angeles. He studied history at the University of Southern California and also studied at Trinity College, Bristol, England, and Gordon Conwell Theological Semi…
Thomas Hammerken (or Hammerlein -- both mean "little hammer") / Thomas de Kempis / Thomas Hamerken von Kempen was born at Kempen (hence the "A Kempis") in the duchy of Cleves in Germany around 1380. H…
Bonnie Jo Campbell is the author of the National Book Award finalist American Salvage, Women & Other Animals, and the novels Q Road and Once Upon a River. She is the winner of a Pushcart Prize, the AW…
Dr. R.C. Sproul (1939–2017) was founder of Ligonier Ministries, an international Christian discipleship organization located near Orlando, Fla. He was founding pastor of Saint Andrew’s Chapel in Sanfo…
Sam comes from Sevenoaks in Kent, but studied theology at Wycliffe Hall in Oxford, and has since worked at St Ebbe's Church, Oxford, and now serves at a church in Maidenhead. Hobbies include reading, …
J. Warner Wallace is a Dateline featured cold-case homicide detective, popular national speaker and best-selling author. He continues to consult on cold-case investigations while serving as a Senior F…
Chad Bird is a Scholar in Residence at 1517. He has served as a pastor, professor, and guest lecturer in Old Testament and Hebrew. He holds master’s degrees from Concordia Theological Seminary and Heb…
Dane C. Ortlund (PhD, Wheaton College) is chief publishing officer and Bible publisher at Crossway. He serves as an editor for the Knowing the Bible series and the Short Studies in Biblical Theology s…
Nabeel Qureshi was a New York Times best-selling author and an itinerant speaker with Ravi Zacharias International Ministries. He dedicated his life to spreading the Gospel through teaching, preaching…
Becket Cook was born and raised in Dallas, Texas. After college, he moved to Los Angeles to pursue a career in writing and acting. He wound up becoming a production designer working for magazines such…
Alisa Childers is a wife, a mom, an author, a blogger, a speaker, and a worship leader. She was a member of the award-winning CCM recording group ZOEgirl. She is a popular speaker at apologetics and C…
Melissa Dougherty is a Christian apologist best known for her YouTube channel with over 261,000 subscribers and counting. Her videos, which primarily cover New Age and New Thought, have been viewed ov…
