Chris Hackler is director of the division of medical humanities and a bioethics professor at the University of Arkansas College of Medicine in Little Rock. He edited Health Care for an Aging Population and co-edited Advance Directives in Medicine.

William Allen holds law and divinity degrees and is associate professor and director of the Program in Bioethics, Law and Medical Professionalism at the University of Florida College of Medicine in Gainesville.

Elizabeth Chaitin is director of the medical ethics and palliative care services at the University of Pittsburgh Medical Center Shadyside. She is also on the faculty of the Consortium Ethics Program and is an ethics consultant for the Ethics Consultation Service for the Center for Bioethics and Health Law of the University of Pittsburgh. She is a co-author of Ethics in End […]

Dr. Thomas Duffy is a professor of medicine at Yale University School of Medicine in New Haven, Conn.; director of the Program for Humanities in Medicine; and chairman of the Working Group on End of Life Issues of Yale’s Interdisciplinary Center for Bioethics.

David Cummiskey is a philosophy professor at Bates College in Lewiston, Maine. He specializes in medical ethics, including the right to die.

The Rev. Richard H. Gentzler Jr. is director of the Center on Aging & Older Adult Ministries for the General Board of Discipleship of the United Methodist Church. The center provides resources and training for leaders of midlife and older-adult ministries. He’s the author of numerous books, including The Graying of the Church and Aging: God’s Challenge to Church and […]

Dr. Allan Ropper is executive vice chair of neurology at Brigham and Women’s Hospital in Boston and a lecturer at Harvard Medical School. He wrote an editorial accompanying the article in the New England Journal of Medicine.

Dr. Richard Payne is a professor of medicine and divinity at Duke University in Durham, N.C. He is an expert on end-of-life issues and Christianity.

Marie T. Hilliard is a senior fellow with the National Catholic Bioethics Center, where she also serves as director of bioethics and public policy. The center offers a resource guide on Catholicism and the use of vaccines.