Justification

Philip Graham Ryken (DPhil, University of Oxford) is the eighth president of Wheaton College. He preached at Philadelphia's Tenth Presbyterian Church from 1995 until his appointment at Wheaton in 2010. Ryken has published more than 50 books, including When Trouble Comes and expository commentaries on Exodus, Ecclesiastes, and Jeremiah. He serves as a board member for the Council of Christian Colleges and Universities, the Lausanne Movement, and the National Association of Evangelicals.

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.

Timothy J. Keller is the founding pastor of Redeemer Presbyterian Church in New York. He is the best-selling author of The Prodigal God and The Reason for God.