Mark A. Noll is emeritus professor of history at Wheaton College and the University of Notre Dame. He is the author of many books, including America's Book, Jesus Christ and the Life of the Mind, Clouds of Witnesses: Christian Voices from Africa and Asia, The New Shape of World Christianity, The Rise of Evangelicalism: The Age of Edwards, Whitefield and the Wesleys, The Civil War as a Theological Crisis, Turning Points: Decisive Moments in the History of Christianity, and The Scandal of the Evangelical Mind.

John R. W. Stott (1921-2011) was known worldwide as a preacher, evangelist, and communicator of Scripture. For many years he served as rector of All Souls Church in London. A leader among evangelicals in Britain, the United States, and around the world, Stott was a principal framer of the landmark Lausanne Covenant (1974). Stott's many books, including Basic Christianity and The Cross of Christ, have sold millions of copies.