01/24/1951
https://www.presidency.ucsb.edu...
"Now, Therefore, I, Harry S. Truman,President of the United States of America, acting under and by virtue of the authority vested in me by the Constitution and the statutes, including the said section ..."
"I hereby designate such Commission as a public international organization entitled to enjoy the privileges, exemptions, and immunities conferred by the said International Organizations Immunities Act."
"You may be assured that your visit has been a source of great pleasure not only to me, but to the American people."
"It is one mark of civilization to be able to produce abundantly, but it is a more important mark to be able to use abundance for the welfare of all mankind."