Roy F. Baumeister is a professor and Francis Eppes Eminent Scholar in Social Psychology at Florida State University in Tallahassee. He is the author of Evil: Inside Human Violence and Cruelty.

Simon Baron-Cohen is professor of developmental psychopathology at the University of Cambridge in Britain. His research interests include empathy, and he is the author of The Science of Evil: On Empathy and the Origins of Cruelty (May 2011).

University of Alabama psychology professor Martha Crowther researches the role of spirituality across the life cycle. She is particularly interested in spirituality and health in older African-Americans.

Alexander P. Auchus is a neurologist at the University of Mississippi Medical Center with research interests in Alzheimer’s in non-Caucasians.

Harold E. Burchett wrote Last Light: Staying True through the Darkness of Alzheimer’s, a memoir of his wife’s Alzheimer’s disease. He has been a pastor and seminary professor, and lives in Virginia Beach, Va.

Lisa Gwyther is author of You Are One of Us: Successful Clergy-Church Connections to Alzheimer’s Families (Duke University Medical Center, 1994) and director of the Alzheimer’s Family Support program at Duke University Medical Center.

The Rev. David Keck is a Presbyterian minister who teaches pastoral education at Duke University. He is the author of Forgetting Whose We Are: Alzheimer’s Disease and the Love of God. He is also pastor at Northgate Presbyterian Church in Durham, N.C.

Glen Milstein is an assistant professor of psychology at City College of New York. He studies collaboration between clergy and mental health professionals, with a focus on religion.

Ramonia Lee is minister for congregational life at Interfaith Chapel in the retirement community Leisure World in Silver Spring, Md., a member of the National Interfaith Coalition on Aging and a mentor in a national program to encourage the involvement of professionals of color with aging issues.