Philip Graham Ryken (DPhil, University of Oxford) is the eighth president of Wheaton College. Formerly, he served as senior minister of Philadelphia’s historic Tenth Presbyterian Church. He has written or edited more than 40 books, including the popular title Loving the Way Jesus Loves, and has lectured and preached at universities and seminaries worldwide.
D. A. Carson (PhD, Cambridge University) is research 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.
TIMOTHY KELLER is founder and pastor of Redeemer Presbyterian Church in New York. He is the best-selling author of The Prodigal God and The Reason for God.