David K. Naugle (1952–2021) was distinguished professor of philosophy at Dallas Baptist University. His books include Philosophy: A Student's Guide; Reordered Love, Reordered Lives: Learning the Deep Meaning of Happiness; and Worldview: The History of a Concept, which won the 2003 Christianity Today Book Award in the Theology and Ethics category.
Arthur F. Holmes (1924-2011) was professor emeritus of philosophy at Wheaton College in Wheaton, Illinois. Besides The Idea of a Christian College, his many influential books on philosophy and Christian higher education include All Truth Is God's Truth, Shaping Character: Moral Education in the Christian College, and Building the Christian Academy.