The United States Under Secretary of Commerce for Transportation include names such as Delos W. Rentzel and Jack Garrett Scott who both served under former President Harry S. Truman, the 33rd president of the United States.
Harry S. Truman (May 8, 1884  December 26, 1972) was the 33rd president of the United States from 1945 to 1953, succeeding upon the death of Franklin D. Roosevelt after serving as the 34th vice president. Delos W. Rentzel Jack Garrett Scott Harry S. Truman 
