William B. Hurlbut, M.D., is a physician and Lecturer in the Program in Human Biology at Stanford University, teaching courses in biomedical ethics. After receiving his undergraduate and medical training at Stanford, Dr. Hurlbut completed postdoctoral studies in theology and medical ethics. Under Stanford’s Center for International Security and Arms Control’s ethics program, he studied with senior research scholar Robert Hamerton-Kelly, a theologian and dean of the chapel at Stanford; he has also studied with the Reverend Louis Bouyer of Paris. Dr. Hurlbut serves on the Board of Directors for the Interdisciplinary University (Université Interdisciplinaire), Paris, and on the Chemical and Biological Warfare Working Group at the Center for International Security and Cooperation at NASA. He has co-taught courses with Dr. Luca L. Cavalli-Sforza of the Department of Genetics at Stanford’s School of Medicine, who is Director of the Human Genome Diversity Project of the Morrison Institute for Population and Resource Studies at Stanford, and with Dr. Baruch S. Blumberg, current Director of the Astrobiology Institute at NASA Ames Research Center and recipient of the 1976 Nobel Prize for Physiology or Medicine for development of the hepatitis B vaccine. Currently, Dr. Hurlbut teaches upper-division courses, including “Adam 2000: Images of Human Life in the Age of Biomedical Technology” and “Ethical Issues in the Neurosciences.” Dr. Hurlbut focuses his current research on the ethical issues associated with advancing technology and the integration of philosophy of biology with Christian theology.