James F. Childress is an American philosopher and bioethicist known for his contributions to the field of medical ethics. He has played a significant role in shaping discussions around ethical issues in healthcare, particularly through his work on the principles of biomedical ethics. His influential book, Principles of Biomedical Ethics, co-authored with Tom L. Beauchamp, outlines key ethical principles that guide medical practice. Childress has also served as a professor at the University of Virginia, where he has taught and conducted research on ethical theory and its application in medicine. His work emphasizes the importance of moral reasoning in addressing complex ethical dilemmas faced by healthcare professionals.