09/03/1974
https://www.presidency.ucsb.edu...
"My family and I were deeply saddened to learn of the passing of your devoted husband."
"If laughter is the music of the soul, Jack and his violin and his good humor have made life better for all men."
"I want to take this opportunity to express my own admiration and gratitude."
"I accept your resignation as Executive Director of the Council on International Economic Policy, and as my Special Representative for Trade Negotiations."