Patricia Raybon, a professor emeritus in journalism at the University of Colorado at Boulder, wrote My First White Friend: Confessions on Race, Love and Forgiveness (Penguin, 1997) and I Told the Mountain to Move (Tyndale House, 2005). She writes often about religion, family and race

Scott Stanley is co-director of the Center for Marital and Family Studies at the University of Denver. He has published widely both research reports as well as writings for couples, with a key focus on commitment theory and research.

Galena K. Rhoades is a senior researcher for the Center for Marital and Family Studies in the psychology department at the University of Denver.

Howard Markman is a professor of psychology and co-director of the Center for Marital and Family Studies at the University of Denver in Colorado. He is internationally known for his work on the prediction and prevention of divorce and the effects of destructive conflict, healthy marriages and relationship distress on mental health and well-being.

The National Healthy Marriage Resource Center is a clearinghouse for high-quality, balanced and timely information and resources on healthy marriage. The organization’s mission is to be a first stop for information, resources and training on healthy marriage for experts, researchers, policymakers, media, marriage educators, couples and individuals, program providers and others.

The National Conference of State Legislatures’ website includes a summary page on marriage.

Pete Wernick has a doctorate in sociology and wrote a chapter on parenting in a secular/religious marriage for the book Parenting Beyond Belief: On Raising Ethical, Caring Kids Without Religion (2007). He lives in Colorado.

Jack David Eller is an assistant professor of anthropology at Community College of Denver and the author of Cruel Creeds, Virtuous Violence: Religious Violence Across Culture and History (October 2010) and Natural Atheism, Atheism Advanced: Further Thoughts of a Freethinker (2007). He also contributed two chapters to the anthology Atheism and Secularity (2009).

Keith Augustine is executive director of the Internet Infidels, a nonprofit educational organization based in Colorado Springs, Colo., that is dedicated to defending and promoting a naturalistic worldview on the Internet.