Daniel Kahneman was an Israeli-American psychologist and economist, noted worldwide for his work in psychology and behavioral economics. A recipient of the Nobel Memorial Prize in Economic Sciences, his research on cognitive biases, prospect theory, and behavioral economics was groundbreaking and highly influential. Educated in psychology, Kahneman began his academic career at his alma mater, the Hebrew University of Jerusalem. He later held important positions at various institutions, including the University of California, Berkeley, the University of British Columbia, and Princeton University. Trained as a research psychologist, he made groundbreaking contributions to economics despite not having a formal degree in the field. His work on prospect theory ultimately earned him the Nobel Memorial Prize in Economic Sciences. His contributions to psychology were immense. His research pioneered a new field that integrated economic analysis with fundamental insights from cognitive psychology, particularly regarding decision-making under uncertainty.