Thomas Cowan, MD, has studied and written about many subjects in medicine including nutrition, homeopathy, anthroposophical medicine, and herbal medicine. He is author of Human Heart, Cosmic Heart, the principal author of The Fourfold Path to Healing and co-author (with Sally Fallon) of The Nourishing Traditions Book of Baby and Child Care. Dr. Cowan has served as vice president of the Physicians’ Association for Anthroposophic Medicine and is a founding board member of the Weston A. Price Foundation. He also writes the “Ask the Doctor” column in Wise Traditions in Food, Farming, and the Healing Arts (the Weston A. Price Foundation’s quarterly magazine) and has lectured throughout the United States and Canada.