Andrew W. Saul, MS, PhD, has taught nutrition, health science, and cell biology at the college level. He is the author of Doctor Yourself and Fire Your Doctor!  With Dr. Abram Hoffer, Saul co-wrote Orthomolecular Medicine for Everyone and The Vitamin Cure for Alcoholism. He is also co-author of Vitamin C: The Real Story, I Have Cancer: What Should I Do?, and Hospitals and Health. Saul has published nearly 200 reviews and editorials. Visit his non-commercial, natural-healing website DoctorYourself.com.

Abram Hoffer, MD, PhD, has published over 600 reports and articles as well as thirty books. His early work led to the use of niacin for schizophrenia and as an anti-cholesterol treatment. He died in 2009 at the age of ninety-one.

Harold D. Foster, PhD, worked as a geomorphologist, professor of medical geography, and consultant to the United Nations in disaster planning. He authored or edited over 300 publications that focused on reducing disaster losses or identifying the causes of chronic degenerative and infectious diseases. He died in 2009.