Silvia Sara Canetto is a psychology professor at Colorado State University in Fort Collins. She has written extensively about assisted suicide.

John Hardwig is professor emeritus of philosophy at the University of Tennessee, Knoxville. His research interests include bioethics, especially end-of-life issues, and he is the editor of Is There a Duty to Die?: And Other Essays in Medical Ethics.

Dr. Christine Cassel is a geriatrician, ethicist and co-editor of Approaching Death: Improving Care at the End of Life. She is the planning dean for the new Kaiser Permanente School of Medicine coming to Oakland, Calif. in 2019.

The Death With Dignity National Center says that “(t)he greatest human freedom is to live, and die, according to one’s own desires and beliefs.” The center is based in Portland, Ore. For inquiries, contact Peter Korchnak at the number below.

Jewish Sacred Aging is an online forum offering resources to those dealing with aging-related issues. Rabbi Richard Address is founder and director.

The Catholic Medical Association opposes assisted suicide. Mario Dickerson, who has a background in theology and philosophy, is executive director.

Richard Norman is a professor emeritus of moral philosophy at the University of Kent. He is the author of On Humanism (Routledge, 2004) and a founding member of Humanist Philosophers Group.

Euthanasia.com, which opposes euthanasia and physician-assisted suicide, posts links to numerous religious leaders’ and organizations’ statements on the issue.

ReligiousTolerance.org has a page of resources on euthanasia and physician-assisted suicide, including information on various faith groups’ positions.