William Lane Craig is Professor of Philosophy at Houston Christian University and Research Professor of Philosophy at Biola University's Talbot School of Theology. He has authored or edited over thirty books, including The Kalam Cosmological Argument; Theism, Atheism, and Big Bang Cosmology; and God Over All: Divine Aseity and the Challenge of Platonism. In addition, Dr. Craig has published over a hundred articles in professional journals of philosophy and theology, including The Journal of Philosophy, American Philosophical Quarterly, Philosophical Studies, and British Journal for Philosophy of Science. In 2016, The Best Schools named Dr. Craig as one of the fifty most influential living philosophers. 

Helen De Cruz holds the Danforth Chair in the Humanities at Saint Louis University. She is author of Wonderstruck: How Awe and Wonder Shape the Way We Think (Princeton University Press, forthcoming), Religious Disagreement (Cambridge University, 2019), A Natural History of Natural Theology (MIT Press, 2015), and she has edited and illustrated Philosophy Illustrated: Forty-Two Thought Experiments to Broaden Your Mind (Oxford University Press, 2022). In addition to her PhD in philosophy (2011, University of Groningen), she holds a PhD in archaeology and art sciences (2007, Free University of Brussels).