JAMES RAPHAEL GAVIN III (1945– ) is a senior scientific officer of the Howard Hughes Medical Institute. Dr. Gavin, who received a Ph.D. from Emory University and an M.D. from Duke University Medical School, has pioneered research in insulin-resistant diabetes and hormone action in diabetes mellitus. Dr. Gavin is a member of the board of trustees of the Robert Wood Johnson Foundation and the board of the American Society of Law, Medicine, and Ethics. He was awarded the Banting Medal for Distinguished Service by the American Diabetes Association in 1994, and in 1995 the E.E. Just Award by the American Society for Cell Biology. In 1996 Dr. Gavin was elected a member of the Institute of Medicine.