John Piper (DTheol, University of Munich) is the founder and teacher of desiringGod.org and the chancellor of Bethlehem College & Seminary. He served for 33 years as the senior pastor of Bethlehem Baptist Church in Minneapolis, Minnesota, and is the author of more than 50 books, including Desiring God, Don’t Waste Your Life, This Momentary Marriage, Bloodlines, and Does God Desire All to Be Saved?
Jonathan Aitken is a well-known British author and former politician. He was a Member of Parliament for twenty-three years, serving in the Cabinet as Chief Secretary to the Treasury and also as Minister of State for Defense. His political career ended when he pleaded guilty to charges of perjury as a result of having told a lie on oath in a civil libel lawsuit. During an eighteen-month prison stay, he converted to Christ. He is president of Christian Solidarity Worldwide, a director of Prison Fellowship International, and executive director of The Trinity Forum in Europe. He is the author of twelve books, including the award-winning Nixon: A Life and Charles W. Colson: A Life Redeemed.