Home · Audio · The Textbook and the Towel Download Audio The Textbook and the Towel Tweet Share Don Whitney Professor of Biblical Spirituality; Associate Dean of the School of Theology Donald S. Whitney is professor of biblical spirituality and associate dean of the School of Theology at Southern Seminary. A longtime pastor and author of numerous books on the Christian life, he is also founder of The Center for Biblical Spirituality and is author of numerous books including Spiritual Disciplines for the Christian Life and Praying the Bible. @DonWhitney | Website | Faculty Bio