10/25/1960
https://www.presidency.ucsb.edu...
"I WANT to express our great pleasure and satisfaction at having this distinguished choir here."
"So we want you to know we are glad to have you at the White House."
"Dear Mr. Chancellor: On the occasion of your eighty-sixth birthday, I wish to extend to you both my personal congratulations and the warmest good wishes of the American people."
"JOHN F. KENNEDY THE WHITE HOUSE, January 5, 1962"