John Forbes Nash Jr., the American mathematician who inspired the movie A Beautiful Mind, was born.
John Nash formulated the Nash equilibrium concept in game theory, a fundamental theory in economics and mathematics.
John Nash was diagnosed with paranoid schizophrenia and underwent treatment for his condition.
John Nash won the Nobel Prize in Economic Sciences for his pioneering work in game theory.
John Nash and his wife Alicia died in a car accident returning from Norway where Nash had delivered a lecture.