04/30/1946
https://www.presidency.ucsb.edu...
"On all the evidence, there is a reasonable doubt as to the loyalty of the person involved to the Government of the United States."
"By virtue of the authority vested in me by section 3 of the act of August 26, 1950, entitled 'An Act To protect the national security of the United States by permitting the summary suspension of emplo..."
"This order shall become effective May 1, 1951."
"Now, Therefore, I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vested in me by section 2 of the act of June 8, 1906, 34 Stat. 225 (16 U.S.C. 431), ..."