Elaine Howard Ecklund directs the religion and public life program at Rice University, where she is also a professor of sociology. She is the author of Korean American Evangelicals: New Models for Civic Life.

The National Council of Churches issued a biotechnology policy in December 2005 to help guide churches and individuals apply their faith to bioethics issues. Read an article about it, which posts links to the policy.

The Rev. Young Lee Hertig is a senior lecturer in the global studies and sociology department at Azusa Pacific University in Azusa, Calif., a Presbyterian minister and author of Cultural Tug of War: Korean Immigrant Family and Church in Transition.

James D. Proctor is a professor and director of the Environmental Studies Program at Lewis & Clark College in Portland, Ore. He holds degrees in environmental science and religious studies. He has directed programs on the relationship of science and religion.

Terry M. Gray is a computer support scientist in the chemistry department at Colorado State University in Fort Collins and is active in the American Scientific Affiliation.

Martinez J. Hewlett is an emeritus professor of molecular biology at the University of Arizona, a lay member of the Dominican order and resident of Taos, N.M. He is also an adjunct professor at the Dominican School of Philosophy and Theology of the Graduate Theological Union in Berkeley, Calif.

Deborah Haarsma is president of the BioLogos Foundation, a Christian organization that promotes the harmony of religion and science. She is a former professor in the physics and astronomy department at Calvin College in Grand Rapids, Mich., and has written widely on the relationship of science and religion.

Loren Haarsma is an assistant professor of physics and astronomy at Calvin College, Grand Rapids, Mich., and has written on the relationship of science and religion.

Lindon Eaves is Distinguished Professor of Human Genetics and Psychiatry at Virginia Commonwealth School of Medicine in Richmond, Va., and an Episcopal priest in the Diocese of Virginia.