David C. Downing is the R.W. Schlosser Professor of English at Elizabethtown College in Lancaster County, Pa., and the author of four books on C.S. Lewis, including Into the Wardrobe: C.S. Lewis & the Narnia Chronicles (Jossey Bass, 2005) and Into the Region of Awe: Mysticism in C.S. Lewis (Intervarsity Press, 2005).

Carol Singley is a professor of English and director of undergraduate liberal studies at Rutgers University-Camden. She co-founded the Alliance for the Study of Adoption, Identity and Kinship and an associate at the university’s Center for Children and Childhood Studies.

Christina Groark is an expert in early-childhood development who teaches psychology in education department at the University of Pittsburgh.

Michael G. Long is an associate professor of religious studies and peace and conflict studies at Elizabethtown College in Pennsylvania. He edited The Legacy of Billy Graham: Critical Reflections, a collection of essays examining the evangelist’s impact on mainline Christianity and American civil religion, and is the author of Billy Graham and the Beloved Community: America’s Evangelist and […]

Jonathan D. Moreno is a professor of medical ethics and health at the University of Pennsylvania. He is a bioethics adviser for the Howard Hughes Medical Institute, a faculty affiliate of the Kennedy Institute of Ethics at Georgetown University, and a Fellow of the Hastings Center and the New York Academy of Medicine. His books include Is […]

David L. Perry is a professor of ethics and holds the Gen. Maxwell Taylor Chair of the Profession of Arms at the U.S. Army War College in Carlisle, Pa. He teaches courses on ethics and warfare and on world religions in strategic context, and he writes core-course lessons on ethical reasoning and ethics of the military […]

Aaron Mackler is an associate professor of theology at Duquesne University in Pittsburgh and a Conservative rabbi. He has written extensively on health-care ethics, theological ethics and Jewish theology and helped draft reports on physician-assisted suicide and medical decision-making as ethicist for the New York State Task Force on Life and Law.

The Reconstructionist Rabbinical College’s Levin-Lieber Program in Jewish Ethics in Wyncote, Pa., trains rabbis in practical ethics.

The National Catholic Bioethics Center in Philadelphia conducts research and consultations in health care and life sciences in accordance with teachings of the Catholic Church. It consults on life science and medical issues with the Vatican, U.S. bishops, public policy-makers, hospitals and international organizations of all faiths. It publishes two journals, Ethics and Medics and The National Catholic Bioethics Quarterly.