Gregg Davidson has been a professor of Geology & Geological Engineering since 1996, specializing in hydrology and geochemistry, and serving for many years as the department chair. His professional wri…
Haldeman is the author of 20 novels and five collections. The Forever War won the Nebula, Hugo and Ditmar Awards for best science fiction novel in 1975. Other notable tit…
Protestant theologian Karl Barth, a Swiss, advocated a return to the principles of the Reformation and the teachings of the Bible; his published works include Church Dogmatics from 1932.
Works of Dietrich Bonhoeffer, Protestant theologian of Germany, concern Christianity in the modern world; for his role in a plot to assassinate Adolf Hitler, people executed him.
Gordon T. Smith is the president of Ambrose University and Seminary in Calgary, Alberta, where he also serves as professor of systematic and spiritual theology. He is an ordained minister with the Chr…
Richard Wurmbrand, the youngest of four boys, was born in 1909 in Bucharest in a Jewish family. He lived with his family in Istanbul for a short while; his father died when he was 9, and the…
John H. Walton (PhD, Hebrew Union College) is professor of Old Testament at Wheaton College Graduate School. He is the author or coauthor of several books, including Chronological and Background Chart…
John Gresham Machen was an influential American Presbyterian theologian in the early 20th century. He was the Professor of New Testament at Princeton Seminary between 1915 and 1929, and led a conserva…
Paul Kingsnorth is an English writer and thinker. He is a former deputy-editor of The Ecologist and a co-founder of the Dark Mountain Project. He lives in the west of Ireland.
RAYMOND IBRAHIM is a widely published author, public speaker, and Middle East and Islam expert. His books include Crucified Again: Exposing Islam’s New War on Christians (2013) and The Al Qaeda Reader…
Mike Heiser is a scholar in the fields of biblical studies and the ancient Near East. He is the Academic Editor of Logos Bible Software. Mike earned the M.A. and Ph.D. in Hebrew Bible and Semitic Lang…
Kevin DeYoung is the Senior Pastor at University Reformed Church (RCA) in East Lansing, Michigan, right across the street from Michigan State University.
Nijay K. Gupta is Professor of New Testament at Northern Seminary. He has written or edited more than twenty books and has published dozens of academic articles. He is an award-winning researcher and …
David Mathis (MDiv, Reformed Theological Seminary Orlando) is executive editor at desiringGod.org and an elder at Bethlehem Baptist Church in the Twin Cities of Minnesota. His seminary experience incl…
John Mark Comer is the New York Times bestselling author of eight books, including Into the quiet and Practicing the Way, which received the 2025 Christian Book of the Year award from the ECPA. His bo…
Jen Wilkin is a speaker, writer, and teacher of women’s Bible studies. During her thirteen years of teaching, she has organized and led studies for women in home, church, and parachurch contexts. Jen …
Gavin Ortlund (PhD, Fuller Theological Seminary) is senior pastor at First Baptist Church of Ojai in Ojai, California. He was previously a research fellow for the Creation Project at the Carl F. H. He…
Matthew C. Bingham (PhD, Queen’s University Belfast) is vice president of academic affairs and associate professor of church history at Phoenix Seminary in Scottsdale, Arizona. He is the author of Ort…
Sy Garte, PhD in biochemistry, is the author of the award-winning book The Works of His Hands: A Scientist’s Journey from Atheism to Faith (Kregel, 2019); Science and Faith in Harmony: Contemplations …
