Kahneman and Tversky: A Shared Mind
Thinking, Fast and SlowThis flow follows the intellectual and emotional partnership that transformed private intuitions into landmark research.
increasing
Bearing strength in each event
decreasing
Seminar Encounter

The First Conversation
A Guest Appearance
Amos Tversky joins Daniel Kahneman's seminar at Hebrew University of Jerusalem and immediately energizes the room.
Intellectual Attraction
Their contrasting temperaments create curiosity rather than rivalry.
Café Rimon Planning

A Research Partnership
Shared Doubt
At Café Rimon, the two scholars admit that even trained researchers misunderstand small samples.
A Common Project
They decide to test whether sophisticated colleagues share the same statistical intuitions.
Conversation as Experiment

Joint Discovery
Daily Questions
The partners turn conversation into a sequence of miniature experiments, studying the first answer that comes to mind.
Mutual Trust
Their different intellectual styles make them more patient, playful, and inventive.
Landmark Publications

From Intuition to Theory
Heuristics and Biases
Their research becomes a major account of systematic error.
Prospect Theory
A later collaboration explains risk preferences and establishes behavioral economics as a serious field.
Loss and Memory

An Unshared Prize
Separation
The collaboration ends through geographical separation and then through Amos Tversky's death.
Continuing Dialogue
Kahneman preserves the partnership as the emotional and intellectual center of his career.
1969 in Jerusalem
The Friday after the seminar
During the first years of collaboration
The 1970s
After Amos Tversky's death in 1996