Harriet A. Washington has been a fellow in ethics at the Harvard Medical School, a fellow at the Harvard School of Public Health, and a senior research scholar at the National Center for Bioethics at Tuskegee University. She worked in U.S. hospitals for a decade and has been a writer and editor for USA Today.
Ron Butler is a Los Angeles-based actor and voice artist with over a hundred film and television credits (playing everything from brooding doctors to screwball hipsters). Ron works regularly as a commercial and animation voice-over artist and has voiced a wide variety of audiobooks.