U Thant has put the world deeply in his dept. -- President John F. Kennedy
On October 16, 1962, President Kennedy learned that the Soviet Union was building nuclear missile installations in Cuba. ... In the deepening crisis, the United Nations, and specifically Secretary General Thant, was to play a significant role in de-escalating and the resolving the nuclear standoff between the superpowers. ... Read Article here: [pdf]
Walter Dorn and Robert Pauk. “Unsung Mediator: U Thant and the Cuban Missile Crisis,” Diplomatic History 33:2 (April 2009): 261-292. DOI: 10.1111/j.1467-7709.2008.00762.x.