Callahan, Daniel, 1930-2019 (Personal Name)

Science, ethics, and medicine, 1976

What price better health?, ©2003: title page (Daniel Callahan) jacket (director of the International Program at the Hastings Center and senior fellow at Harvard Medical School)

Christianity divided, 1962: title page (Daniel J.Callahan)

Hastings Center, WWW, October 28, 2003 people, staff (Daniel Callahan, PhD; cv: born July 19, 1930, Washington, D.C.; Ph.D., philosophy, Harvard Univ., 1965)

BL database 11 April 2008 (heading.: Callahan, Daniel John)

The Scientist website,viewed July 24, 2019 (Prolific bioethics philosopher Daniel Callahan of the Hastings Center, an institution that helped establish the field of bioethics, died on July 16, [2019]. From July 22, 2019 article) https://www.the-scientist.com/news-opinion/pioneer-in-bioethics-daniel-callahan-dies-66182)