05/12/1947
https://www.presidency.ucsb.edu...
"I invite the people of the United States to participate in the observance of the day with appropriate ceremonies in schools, churches, or other suitable place."
"It seems to me that it is entirely improper for any Senator, no matter what his politics or his rank in the Senate may be, to attempt to put the heat on one of the Executive Departments."
"This order supersedes Executive Orders No. 8356 of March 2, 1940, and No. 8377 of March 18, 1940 (3 CFR Cum. Supp. 624, 632)."
"In the 100 years since this association was organized, science has helped transform the United States into the most productive nation in the world."