WILLIAM H. MOOK III, M.D., 87, died September 5, 2007 at home in Cooperstown, NY surrounded by his family. He was a member of Delta Kappa Epsilon and was captain of the swimming team. He participated in an accelerated medical school program during World War II at Columbia University College of Physicians and Surgeons, graduating in 1944. After completing his internship at Mary Imogene Bassett Hospital in Cooperstown in 1945, he served in China as Lieutenant (jg) in the United States Naval Reserve from 1945-46. He continued his medical training at Bassett Hospital and completed his residency in 1949. He was a Public Health Trainee in Cardiology at the University of Washington in Seattle from 1949-50. After practicing as a member of the Rip Van Winkle Clinic in Hudson, NY, Bill returned to Bassett Hospital as Assistant Physician in 1952. During the Korean War he was again called to active duty in the United States Navy from 1952-54. He resumed his medical practice at Bassett Hospital where he was an attending physician specializing in internal medicine and endocrinology and associate professor of clinical medicine at Columbia University. In keeping with his belief in the importance of education, Bill served on the Board of Education at Cooperstown Central School from 1958-73, and he presented diplomas to all six of his children upon their graduation from high school. He is survived by his wife of 64 years, Barbara (Ives) Mook; a brother, six children (including William Mook ’75, Georgia Cosgrove ’78) nineteen grandchildren (including Simon Frost ’99, Emily Ramsey ’02, Louisa Mook ’05, and Leah Frost ’05) and nine great-grandchildren.