Tinsley Harrison -- doctor, teacher, researcher, medical school leader -- is one of the most important medical figures of the 20th century. He edited the first five editions of Harrison's Principles of Internal Medicine, regarded as a quintessential medical text and perhaps the best-selling medical textbook of all time. He traveled the world in his capacity as a teaching doctor, made significant contributions to scholarship, and served as the dean/medical chairman at four medical schools. He is a titan of the field, an enormous presence central to the narrative of American medicine. Author...