Lyndon Johnson actually said...
In taking this long overdue step, the plan adopts a proven concept of good management recommended by the first Hoover Commission: in the interests of efficiency purely administrative functions--budgeting, personnel supervision and general management-should be vested in the chairman of a commission rather than diffused throughout the commission.
Context
Special Message to the Congress Transmitting Reorganization Plan 2 of 1967: United States Tariff Commission
03/08/1967