Administrator of Civil Aeronautics (now the Federal Aviation Administration) and Chairman of the U.S. Civil Aeronautics Board (now National Transportation Safety Board) under President Harry S. Truman in the early 1950s.
The role held by this individual in the early 1950s involved managing and regulating civil aviation under President Truman's administration, which is now overseen by the Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB).