Carolyn Rexius is director of Christians Addressing Family Abuse in Eugene, Oregon.

Thomas Ryan is director of the North American Paulist center in Washington, D.C.  He is the author of Prayer of Heart and Body: Meditation and Yoga as Christian Spiritual Practice. He is also the editor of Reclaiming the Body in Christian Spirituality.

The Rev. Nancy Roth is an Episcopal priest in Oberlin, Ohio, and author of several books on unusual forms of Christian prayer, including Spiritual Exercises: Joining Body and Spirit in Prayer and An Invitation to Christian Yoga, both published in 2005.

The Rev. Lauren Artress is an Episcopal priest at Grace Cathedral in San Francisco, where she oversees the use of two permanently installed labyrinths. She is the founder of Veriditas, which describes itself as “the voice of the labyrinth movement.” Dr. Artress travels and teaches people how to pray while walking a labyrinth.

The Calvin Institute of Christian Worship is an organization based in Grand Rapids, Mich., dedicated to promoting Christian scholarship. Its online resources include information about the practice of fixed-hour prayer and about disability within faith communities.

David K. Clark is vice president and dean at Bethel Seminary in St. Paul, Minn., and has written about miracles in world religions.

Wendy Cotter is a Sister of St. Joseph and an associate professor of Scripture at the department of theology at Loyola University in Chicago. She has written about miracles in the Greco-Roman world and in the New Testament.

Delbert Burkett is an associate professor of New Testament and Christian origins in the department of philosophy and religious studies at Louisiana State University in Baton Rouge. He has written on the miracle stories in early Christianity.

The Salvation Army is an international Christian humanitarian organization that works with many at-risk communities. The media contact is Kurt Watkins.