William Lane Craig (PhD, University of Birmingham, England; DTheol, Ludwig-Maximilians-Universität München, Germany) is professor of philosophy at Talbot School of Theology and at Houston Baptist University. In 2016 he was named by The Best Schools as one of the 50 most influential living philosophers. Craig has authored or edited over forty books, including The Kalam Cosmological Argument; Divine Foreknowledge and Human Freedom; God, Time, and Eternity; and God and Abstract Objects, as well as over 150 articles in professional publications of philosophy and theology, including The Journal of Philosophy, New Testament Studies, Journal for the Study of the New Testament, American Philosophical Quarterly, Philosophical Studies, Philosophy, and British Journal for Philosophy of Science.

Paul Helm is a teaching fellow in theology and philosophy at Regent College in Vancouver, British Columbia. From 1993 to 2000 he taught as professor of the history and philosophy of religion at King's College, University of London. He has published numerous books and articles, including Eternal God: A Study of God Without Time (Oxford University Press, 1988), Belief Politics (Cambridge University Press, 1994) and Faith and Understanding (Eerdmans, 1997).

Alan G. Padgett (DPhil, Oxford University) is professor of systematic theology at Luther Seminary in St. Paul, Minnesota, where he serves as the chair of the history and theology division. His books include Christianity and Western Thought (volumes 2 and 3), Faith and Reason: Three Views and But Is It All True? The Bible and the Question of Truth. Previously, he was professor of theology and the philosophy of science at Azusa Pacific University, and he is an ordained minister in the United Methodist Church.

Greg Ganssle (PhD, Syracuse) is professor of philosophy at Talbot School of Theology at Biola University. He is the author of several books, including A Reasonable God: Engaging the New Face of Atheism and Thinking About God, and he is the editor of God and Time.

Wolterstorff is Noah Porter Professor of Philosophy at the Yale Divinity School. He has published many books and articles, including When Justice and Peace Embrace (Eerdmans, 1983), Divine Discourse: Philosophical Reflections on the Claim That God Speaks (Cambridge University Press, 1995) and Locke and the Ethics of Belief (Cambridge University Press, 1996) as well as the seminal paper "God Everlasting" (first published in 1975). Wolterstorff's latest book is Thomas Reid and the Story of Epistemology (Cambridge University Press, 2001).