- Adam Adamson, Director of the film, The Lion, the Witch and the Wardrobe (December 1, 2005)
- Ian G. Barbour, Bean Professor of Science, Technology and Society, Carleton College; author of Religion and Science, Ethics in an Age of Technology, When Science Meets Religion, Religion in an Age of Science, and other books (May 28, 1999)
- Francis S. Collins, M.D., Ph.D., Director, Human Genome Research Institute; author of The Language of God: A Scientist Presents Evidence for Belief and other books (2004)
- James T. Como>, Professor of Rhetoric and Public Communication, York College, City University of New York; author of Branches to Heaven: The Geniuses of C.S. Lewis; editor of C.S. Lewis at the Breakfast Table, and Other Reminiscences and Remembering C.S. Lewis: Recollections of Those Who Knew Him (December 1, 2005)
- Colin Duriez, author of numerous books on C.S. Lewis, including The Inklings Handbook, Tolkien and C. S. Lewis: The Gift of Friendship, A Field Guide to Narnia, The C.S. Lewis Chronicles (August 25, 2005)
- Michael Flaherty, President, Walden Media; Producer of the film, The Lion, the Witch and the Wardrobe
- Douglas Gresham, Co-producer of the film, The Lion, the Witch and the Wardrobe; stepson of C.S. Lewis; author of the books, Jack’s Life: A Memoir of C. S. Lewis and Lenten Lands: My Childhood with Joy Davidman and C.S. Lewis (April 13, 2005)
- Thomas Howard, Professor of English Emeritus, St. John’s Seminary; author of The Achievement of C. S. Lewis: A Reading of His Fiction, C.S. Lewis: Man of Letters, Narnia and Beyond: A Guide to the Fiction of C.S. Lewis, and The Novels of Charles Williams (November 16, 2005)
- C. S. Lewis (the last interview of him: May 7, 1963)
- Leonard P. Liggio, Executive Vice President of the Atlas Economic Research Foundation, Distinguished Senior Scholar at the Institute for Humane Studies, and Research Professor of Law, George Mason University (September-October 1996)
- Armand Nicholi, Jr., M.D., Professor of Psychiatry at Harvard Medical School; author of the book, The Question of God: C.S. Lewis and Sigmund Freud Debate God, Love, Sex and the Meaning of Life, which was the basis for the 4-part PBS series in 2004, The Question of God: Sigmund Freud and C.S. Lewis (2004)
- J. I. Packer, Board of Governors’ Professor of Theology, Regent College; author of Knowing God, Knowing Christianity, God Has Spoken, Concise Theology, Keeping in Step with the Spirit, and other books (Spring 1994)
- Alvin Plantinga, John A. O’Brien Professor of Philosophy, University of Notre Dame; among his many books are The Nature of Necessity, God and Other Minds: A Study of the Rational Justification of Belief in God, Warrant: The Current Debate, Warrant and Proper Function, Warranted Christian Belief, God, Freedom and Evil, and the forthcoming Science and Religion: Conflict or Concord (July 14, 2002)
- Sir John C. Polkinghorne, President of Queens’ College and former Professor of Mathematical Physics, Cambridge University; author of Exploring Reality: The Intertwining of Science and Religion, Quarks Chaos & Christianity: Questions to Science and Religion, The God of Hope and the End of the World, Faith, Science and Understanding, Science and the Trinity: The Christian Encounter with Reality, Science & Theology: An Introduction and other books (Spring 1997)
- Richard Purtill, Professor Emeritus of Philosophy, Western Washington University; author of J.R.R. Tolkien: Myth, Morality, and Religion and C.S. Lewis’ Case for the Christian Faith (2005)
- Victor E. Reppert, Professor of Philosophy and Religious Studies, Glendale Community College; author of C.S. Lewis’s Dangerous Idea: In Defense of the Argument from Reason(2003)
- Rodney Stark (“A Double Take on Early Christianity”), University Professor of Social Sciences, Baylor University; author of The Victory of Reason: How Christianity Led to Freedom, Capitalism, and Western Success, The Rise of Christianity: How the Obscure, Marginal, Jesus Movement Became the Dominant Religious Force in a Few Centuries, For the Glory of God: How Monotheism Led to Reformations, Science, Witch-Hunts, and the End of Slavery, One True God: Historical Consequences of Monotheism, Acts of Faith: Explaining the Human Side of Religion, The Rise of Christianity: A Sociologist Reconsiders History, and other books (2000)
- Rodney Stark (“Faith and Reason: Was Christianity the Engine of Western Progress?”) (December 25, 2005)
- Dallas Willard, Professor of Philosophy, University of Southern California; author of numerous books, including The Divine Conspiracy, Logic and the Objectivity of Knowledge, The Spirit of the Disciplines and Renovation of the Heart
- Ralph Winter, film producer (X-Men; Fantastic Four; Star Trek III, IV, V, and VI; Planet of the Apes; etc.) (August 2005)
- N. T. Wright, Bishop, Diocese of Durham, former Canon of Westminster; author, The New Testament and the People of God: Christian Origins and the Question of God, Jesus and the Victory of God: Christian Origins and the Question of God, The Resurrection of the Son of God, The Challenge of Jesus: Rediscovering Who Jesus Was and Is, Simply Christian: Why Christianity Makes Sense, Evil and the Justice of God, Paul: In Fresh Perspective, and The Climax of the Covenant: Christ and the Law in Pauline Theology (January 2007)
