Vern S. Poythress (PhD, Harvard University; ThD, University of Stellenbosch) is Distinguished Professor of New Testament, Biblical Interpretation, and Systematic Theology at Westminster Theological Seminary in Philadelphia, Pennsylvania, where he has taught for 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. He is a cofounder and theologian-at-large of the Gospel Coalition and has written and edited nearly two hundred books. He and his wife, Joy, have two children and live in the north suburbs of Chicago.