Daniel Kahneman, renowned psychologist and Nobel prize winner, dies at 90

The Israeli-American's book, Thinking, Fast and Slow, was a worldwide bestseller with revolutionary ideas about human error and bias

Daniel Kahneman, a psychologist who pioneered theories in behavioural economics that heavily influenced the discipline, and won him a Nobel prize, has died at age 90.

Kahneman, who wrote bestselling book Thinking, Fast and Slow, argued against the notion that people's behaviour is rooted in a rational decision-making process - rather that it is often based on instinct.