John Kennedy actually said...
Now, Therefore, I, John F. Kennedy, President of the United States of America, under and by virtue of the authority vested in me by the Act of June 8, 1906 (34 Stat. 225; 16 U.S.C. 431), do proclaim that the lands within the following described boundaries shall constitute the Timpanogos Cave National Monument.
Context
Proclamation 3457—Redefining the External Boundaries of the Timpanogos Cave National Monument, Utah
03/26/1962