Daniel Kahneman

Israeli-American psychologist — Nobel Prize in Economics 2002 — author of Thinking, Fast and Slow — co-creator with Amos Tversky of prospect theory — the most influential psychologist in the history of economics.

Creates prospect theory and the heuristics-and-biases program — Kahneman and Tversky's research (that human probability judgment follows systematic biases, that losses hurt more than equivalent gains please, and that reference points determine value assessments) is the empirical foundation of behavioral economics.