Brooke Allen, a cultural and literary critic, is the author of Moral Minority: Our Skeptical Founding Fathers. Allen joined the faculty at Vermont’s Bennington College in 2011.

David L. Holmes, who lived for some years in the home of James Monroe, teaches religious studies at the College of William and Mary in Williamsburg, Va.

Georg Feuerstein and his wife, Brenda, are the authors of Green Yoga. He studies philosophy and history and authored over 30 books on mysticism, Yoga, Tantra, and Hinduism. Georg created several learning courses made available through Traditional Yoga Studies, his wife’s Canadian educational company.

Swasti Bhattacharyya is associate professor of philosophy and religion at Buena Vista University in Storm Lake, Iowa. She specializes in environmental ethics, comparative religious ethics, peace studies, Buddhism, Hinduism, Jainism, ancient Judaism and early Christianity.

Dr. Barry Solof is a psychiatrist in Beverly Hills, Calif., and a fellow of the American Society of Addiction Medicine. He heads the Kaiser Permanente addiction medicine department in West Covina, Calif., and is a board member of the Secular Organization for Sobriety.

Dr. Walter Ling is a professor of psychiatry and director of the Integrated Substance Abuse Programs at the University of California, Los Angeles.

Lee Ann Kaskutas is the director of training at the Alcohol Research Group, National Alcohol Research Center in Berkeley, Calif. Her focus is in non-professional treatments such as self-help groups, peer support, social networks, spirituality, and education on the effects of alcohol consumption.

Sarah Zemore is an associate scientist at the Berkeley, Calif.-based Alcohol Research Group who studies social disadvantage and the role of ethnicity, race and socioeconomics in substance use, substance abuse and treatment.

Dr. Linda Hyder Ferry is a professor of medicine at Loma Linda University’s School of Medicine and Public Health in Loma Linda, Calif., who is doing research on spirituality and recovery from addictions, specifically from nicotine addiction. She is the founder of the Foundation for Innovations in Nicotine Dependence (FIND).