In this instance Kahneman became the iconoclast, the skeptic, pulling the rug from underneath Tversky.

In one of the classes he taught at Hebrew University Kahneman challenged guest lecturer Tversky’s discussion on how people make decisions in conditions of uncertainty. Both Israelis were teaching at the University of Michigan in the 1960s but their paths didn’t overlap until later, back in Israel. Just by asking questions he could lead others to find innovative solutions. Tversky was a widely admired mathematical psychologist, iconoclast, and skeptic who challenged accepted thinking and in so doing, provided new ways to look at old problems. Kahneman was an idea man, throwing up new psychological insights constantly, beginning with his early work recruiting and training Israeli soldiers for the front line. Once the closest of friends and collaborators, the reason for their breakup is at least as instructive as anything else Lewis could have chosen to focus on, and it makes a helluva story, full of poignancy. This could push the discussion into an examination of the importance of pairs in creativity, but Lewis resists that thread to follow what he calls a “love story” to the end, to the breakup of the two men. One thing became clear about the groundbreaking work done by Kahneman and Tversky: despite the curiosity, drive, and iconoclastic talent each possessed, their moments of greatest crossover relevance came as a result of the involvement of the other.

From a vast array of possible choices, opportunities, and directions come two psychologists, Daniel Kahneman and Amos Tversky, who together add up to more than the sum of their parts. Lewis made us feel the chaos and the unlikelihood of such a success, in this case, of ever finding that one person who complements another so perfectly that the two literally spur one another to greater accomplishment. What is remarkable about that statement is also what is remarkable about Lewis’ attempt to explain it. By the end of this book I was bawling aloud, in total sync with what Lewis was trying to convey: why humans do what we do.ĭaniel Kahneman is a psychologist who won the 2002 Nobel Prize in Economics. Lewis did something else he’d not done before as well. In this he tries the trick of explaining confusion by demonstrating confusion, but near the end of this work we appreciate again Lewis’ distinctive clarity and well-developed sense of irony as he addresses a very consequential collaboration in the history of ideas. This nonfiction is unlike others Michael Lewis has offered us.

The undoing project summary