Franklin Roosevelt actually said...

By virtue of the authority vested in me by the Constitution and statutes of the United States, and in order to define further the functions ...

There is established within the Office for Emergency Management of the Executive Office of the President the Office of Civilian Defense.

The Director shall discharge and perform his responsibilities and duties under the direction and supervision of the President.

The Director, with the advice and assistance of the Board, shall serve as the center for the coordination of Federal civilian defense activi...