It didn't help in 1932 that the two men neither liked nor trusted each other: Hoover called Roosevelt "a chameleon on plaid," while FDR preferred the image of Hoover as "a fat, timid capon."
Their first visit after the election was not promising: Roosevelt came for what he thought was a personal call at the White House on November 22, 1932 — only to find Hoover's Treasury Secretary on hand to help the outgoing president deliver a lecture on the importance of the gold standard, the stability of the banking system and the problem of Europe's war debt.
At the outset, Bush seemed tense, sitting straight in a wing-backed armchair, his hands clasped in his lap as he rubbed his thumbs and tapped his foot. Twice he thanked the president for his hospitality and said, "He didn't need to do this."
President Carter carefully prepared for his meeting with Ronald Reagan, according to Mondale, but "it all went over Reagan's head and Carter really was shaken by it."
Eisenhower also took time to show Kennedy how to use the panic button that would bring a helicopter to the back lawn. Eisenhower demonstrated its use, and "Kennedy watched the fluttering helicopter coming down outside the windows within a few minutes," Kennedy aide Kenneth P. O'Donnell later wrote.
As they walked to one in a series of White House meetings, Johnson pulled Nixon into his bedroom, and told him, "I wanted you to know about this." He showed Nixon a small safe hidden in the wall.