E. Brooks Holifield is a professor of American church history at the Candler School of Theology, Emory University in Atlanta.

Stephen M. Barr is a theoretical particle physicist at the Bartol Research Institute of the University of Delaware and a member of the editorial board of the conservative religious periodical First Things. He writes frequently about the intersection of faith and science, often critiquing the strictly materialist point of view of many atheists.

H. Allen Orr is a biology professor at the University of Rochester in New York. He wrote a Jan. 11, 2007, essay, “A Mission to Convert,” in The New York Review of Books that critiqued recent books on atheism.

Joan Konner is a professor emerita and dean emerita of the Columbia Graduate School of Journalism in New York City, and is author of The Atheist’s Bible: An Illustrious Collection of Irreverent Thoughts, which was published in June 2007.

Alvin Plantinga is John A. O’Brien Professor of Philosophy at the University of Notre Dame. He is the author of “The Dawkins Confusion: Naturalism ad absurdum,” a review of Richard Dawkins’ The God Delusion, in the March/April 2007 issue of Books & Culture. Plantinga has written several articles about faith and science

Penny Edgell is a professor in sociology at the University of Minnesota and lead author of a 2006 study on the social acceptance of atheists in America. She is beginning new research on the moral communities of those who aren’t traditionally religious. She wrote Religion and Family in a Changing Society.

Erik J. Wielenberg is an associate professor of philosophy at DePauw University in Greencastle, Ind. He is the author of Value and Virtue in a Godless Universe, which argues that life has meaning and a moral structure even if God does not exist.

Alister McGrath is a former atheist and now an evangelical Christian and a theology professor at the University of Oxford’s Harris Manchester College. He is a prolific writer and public apologist for Christianity and is author of several books, including The Twilight of Atheism: The Rise and Fall of Disbelief in the Modern World, In the Beginning: […]

William Lane Craig is a research professor in philosophy at Biola University in La Mirada, Calif. He lives in Atlanta, Ga. Craig wrote a chapter, “Theistic Critiques of Atheism,” for the Cambridge Companion to Atheism.