Vern S. Poythress (PhD, Harvard University; ThD, University of Stellenbosch) is professor of New Testament interpretation at Westminster Theological Seminary in Philadelphia, Pennsylvania, where he has taught for nearly four decades. In addition to earning six academic degrees, he is the author of numerous books and articles on biblical interpretation, language, and science.D. A. Carson (PhD, Cambridge University) is Emeritus Professor of New Testament at Trinity Evangelical Divinity School, where he has taught since 1978. He is a cofounder of the Gospel Coalition and has written or edited nearly 120 books. He and his wife, Joy, have two children and live in the north suburbs of Chicago.