From the No. 1 bestselling author of The Big Short and Flash Boys, the surprising and profound story of Daniel Kahneman and Amos Tversky: the two men whose ideas changed the world THE NEW INTERNATIONAL BESTSELLER FROM THE AUTHOR OF THE BIG SHORT AND FLASH BOYS 'A gripping account of how two psychologists reshaped the way we think ... What a story it is' Sunday Times 'You'll love it ... full of surprises and no small degree of tragedy' Tim Harford In 1969 two men met on a university campus. Their names were Daniel Kahneman and Amos Tversky. They were different in every way. But they were both obsessed with the human mind - and both happened to be geniuses. Together, they would change the way we see the world.