Joseph Levine is a philosophy professor at the University of Massachusetts, Amherst. His essay “From Yeshiva Bochur to Secular Humanist” is included in Philosophers Without Gods: Meditations on Atheism and the Secular Life (2007).

Greg Epstein serves as the humanist chaplain at Harvard University and is the author of Good Without God: What a Billion Nonreligious People Do Believe (2009). He holds master’s degrees in Judaic studies and theological studies and has been ordained as a humanist rabbi. The Humanist Chaplaincy at Harvard is “dedicated to building, educating, and nurturing a diverse community of […]

Catherine Caldwell-Harris is an associate professor of psychology at Boston University. She conducted a small study in 2008 comparing the spiritual beliefs of atheists, Christians and Buddhists; it included questions about meaning and purpose in life, as well. She also presented a paper, titled “The puzzle of nonbelief,” at the 2009 annual meeting of the Society for the […]

Louise M. Antony is a philosophy professor at the University of Massachusetts, Amherst. She has written various essays about atheism and is editor of the book Philosophers Without Gods: Meditations on Atheism and the Secular Life (2007), to which she also contributed one of the chapters, titled “For the Love of Reason.” She once debated Christian apologist/philosopher William […]

Stephen Frederick Uhl is a former Roman Catholic priest and the author of Out of God’s Closet: This Priest Psychologist Chooses Friendly Atheism (2009). He lives in Oro Valley, Ariz.

John Loftus is a former minister and the author of Why I Became an Atheist: A Former Preacher Rejects Christianity (2008). He followed up that book with an anthology, The Christian Delusion: Why Faith Fails (2010). His blog is called Debunking Christianity. Loftus lives in Indiana.

Richard Haynes (known by many as “Brother Richard”) is president of Atheist Nexus, an online community with nearly 20,000 nontheist members. He’s also co-host of the freethinking podcast Atheist News, and he blogs at Life Without Faith. A former associate minister at a Georgia megachurch, he now travels the country speaking to nontheist groups and encouraging others “to […]

Daniel M. Farrell is a philosophy professor at Ohio State University in Columbus. In his essay “Life Without God: Some Personal Costs” (included in Philosophers Without Gods: Meditations on Atheism and the Secular Life), he tells about losing his faith while he was a seminarian, and how coming to terms with that affected other aspects of his […]

Dan Barker is a former evangelical preacher turned atheist. He and his wife, Annie Laurie Gaylor, are co-presidents of the Freedom From Religion Foundation, based in Madison, Wis. Barker’s books include Losing Faith in Faith: From Preacher to Atheist and Godless: How an Evangelical Preacher Became One of America’s Leading Atheists (2008).