Harry Truman actually said...
NOW, THEREFORE, by virtue of the authority vested in me by section 10 of the Railway Labor Act, as amended (45 U.S.C. 160), I hereby create a board of three members, to be appointed by me, to investigate the said disputes.
Context
Executive Order 10150—Creating an Emergency Board to Investigate Disputes Between the Atlantic & East Carolina Railway,
08/10/1950