Bishop Harold Calvin Ray is pastor of Redemptive Life Fellowship in West Palm Beach, Fla. Its Redemptive Life Urban Initiatives Corp. has built affordable housing.

St. John’s Community Development Corp., a project of St. John’s Baptist Church in Miami, to create affordable housing and offers home ownership counseling. It has created more than 40 homes and multifamily units.

John M. Wagner is director of the Office for Community Development of the Catholic Archdiocese of Philadelphia, which works to provide affordable housing in the area.

Rabbi Elliot Dorff is a professor of philosophy and university rector at American Jewish University in Bel-Air, Calif. He is an expert in Jewish family issues, including adoption. He has studied the Jewish perspective on assisted death, transhumanism and ethics in general.

Joel Zimbelman, a California State University-Chico, religious studies professor, has written on legal decisions and public opinion informing the debate over the removal of life-sustaining treatment, assisted suicide and euthanasia.

Linda Ganzini, professor of psychiatry and medicine at Oregon Health Sciences University, surveyed 2,500 Oregon physicians and 500 hospice workers about patients’ experience of assisted suicide.

Darien Fenn, professor in the psychiatry department at Oregon Health Sciences University, has studied the attitude of Oregon psychologists toward physician-assisted suicide and the Oregon Death with Dignity Act. He can be emailed through a website contact form.

Courtney Campbell, Oregon State University philosophy professor, has focused on the Latter-day Saints and medical ethics, as well as hospice and assisted suicide. He has authored numerous articles on the controversial Oregon Death with Dignity Act and on the Oregon Health Plan.

Gerald McKenny is a professor of Christian ethics and moral theology at the University of Notre Dame. He studies and writes about the ethics of biotechnology and the philosophy of medicine.