Daniel Kahneman.
Winner of the 2002 Nobel Prize in Economics, Professor of Psychology and Public Affairs at Princeton University, USA, holds professorships at Hebrew University in Israel, University of British Columbia in Canada and University of California at Berkeley. Kahneman's outstanding contribution lies in applying the comprehensive insight in the field of psychological research to economics, especially in studying how people make judgments and decisions under uncertainty. His research results challenged the logical foundation of orthodox economics-rational man hypothesis, and put forward the famous "prospect theory"