Dr. William Lane Craig is Research Professor of Philosophy at Talbot School of Theology in La Mirada, California. He and his wife Jan have two grown children.  

He has authored or edited over thirty books, including The Kalam Cosmological Argument; Assessing the New Testament Evidence for the Historicity of the Resurrection of Jesus; Divine Foreknowledge and Human Freedom; Theism, Atheism and Big Bang Cosmology; and God, Time and Eternity, as well as over a hundred articles in professional journals 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. 

Dr. Craig's website is at http://www.reasonablefaith.org/

Quentin Smith is the University Distinguished Faculty Scholar (from 2002) at Western Michigan University and also Professor of Philosophy (from 1995). He works primarily in certain areas in philosophy, such as Metaphysics, Philosophy of Religion, Atheism, and Naturalism, Philosophy of Time, Philosophy of Language, Ethics, Philosophy of Physical Cosmology and Philosophy of Physics, The History of Analytic Philosophy, and Existentialism and Phenomenology.

Dr. Smith's website can be found at http://www.qsmithwmu.com/

Ronald de Sousa is Professor Emeritus of Philosophy at the University of Toronto. He was educated in Switzerland, Oxford, UK, and Princeton, USA. He is a Fellow of the Royal Society of Canada. He is the author of The Rationality of Emotion (MIT 1987) and of Why Think? Evolution and the Rational Mind (OUP 2007), and over 100 articles in a variety of periodicals and books. He has lectured in over twenty countries on on emotions, evolutionary theory, cognitive science, sexuality, and religious belief. His next book, also from OUP, will be Emotional Truth. Many recent writings are available on his website, http://www.chass.utoronto.ca/~sousa .