William S. Rosenthal, M.D., professor emeritus of medicine, died June 9, 2012. A significant contributor to scientific advancement in the field of gastroenterology, Dr. Rosenthal joined the College in 1961. In 1969 he was named the Sarah C. Upham Professor of Gastroenterology, becoming the College’s first endowed professor. During his tenure of nearly 30 years, he trained generations of physicians who have contributed to the field of gastroenterology through research, teaching and clinical care. In 2001 he and his wife Barbara established the Barbara and William Rosenthal Chair of Medicine, an endowment to support the sitting chairman of the Department of Medicine in perpetuity.