Richard Nixon actually said...
By virtue of the authority vested in me as President of the United States, subsection (c) of Section 2 of Executive Order No. 11287 of June 28, 1966, as amended, is hereby amended by deleting '(1) The President's Science Adviser,' and by inserting in lieu thereof '(1) The Science Adviser.'
Context
Executive Order 11734—Revising the Membership of the President's Committee on the National Medal of Science
07/29/1973