Menninger, MEHN ihng uhr, William Claire (1899-1966), was a leading American psychiatrist. He and his brother Karl A. Menninger and their father, Charles F. Menninger, founded the Menninger Clinic, a psychiatric center that became internationally famous. During World War II (1939-1945), he served as chief consultant on psychiatry to the surgeon general of the United States Army and won the Distinguished Service Medal. He also became a leader in the Boy Scout movement.