Amos Tversky

"[2] Tversky also collaborated with many leading researchers including Thomas Gilovich, Itamar Simonson, Paul Slovic and Richard Thaler.

A Review of General Psychology survey, published in 2002, ranked Tversky as the 93rd most cited psychologist of the 20th century, tied with Edwin Boring, John Dewey, and Wilhelm Wundt.

[5] In high school, Tversky took classes from literary critic Baruch Kurzweil, and befriended classmate Dahlia Ravikovich, who would become an award-winning poet.

[5] During this time he was also a member and leader in Nahal, an Israel Defense Forces program that combined compulsory military service with the establishment of agricultural settlements.

[6] Tversky served with distinction in the Israel Defense Forces as a paratrooper, rising to the rank of captain and being decorated for bravery.

Amos Tversky's most influential work was done with his longtime collaborator, Daniel Kahneman, in a partnership that began in the late 1960s.

[6] Starting with their first paper together, "Belief in the Law of Small Numbers", Kahneman and Tversky laid out eleven "cognitive illusions" that affect human judgment, frequently using small-scale empirical experiments that demonstrate how subjects make irrational decisions under uncertain conditions.

Kahneman said that Tversky "had simply perfect taste in choosing problems, and he never wasted much time on anything that was not destined to matter.

[20] In 1963, Tversky married American psychologist Barbara Gans, who later became a professor in the human-development department at Teachers College, Columbia University.

[22] As recounted by Malcolm Gladwell in 2013's David and Goliath: Underdogs, Misfits, and the Art of Battling Giants, Tversky's peers thought so highly of him that they devised a tongue-in-cheek one-part test for measuring intelligence.

"[23] Michael Lewis's book The Undoing Project: A Friendship That Changed Our Minds, released in 2016, is about Tversky's personal and professional relationship with Daniel Kahneman.

The shape of the value ( utility ) function in prospect theory . The asymmetry of the function corresponds to loss aversion .