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.
Carolyn Nystrom (MA, Wheaton College) has written more than eighty books, Bible study guides and children's titles. She served as general editor for the Christian Classics series and she co-authored Guard Us, Guide Us and Prayingwith theologian J. I. Packer, and Before I Was Born (God's Design for Sex) with Sandra Speidel. In addition to actively serving in her church and community, she has been a foster parent, an elementary schoolteacher and a book editor. Carolyn lives in the Chicago area with her husband and they have four grown children.