Nobel Prize-Winning Psychologist Kahneman Dies at 90

Source: BBC News - Top HeadlinesNobel prize-winning psychologist Daniel Kahneman has died at age 90. He became synonymous with behavioral economics, even though he never took a course of economics. Kahneman wrote the best-selling book Thinking, Fast and Slow, which summarized decades of research debunking the notion that people are rational beings who act only out of self-interest. His death was announced by Princeton University, where he had been a professor since 1993.