Nobel laureate John Nash — who died on 23 May — stands in the same line as Smith, Ricardo, Walras and Keynes in having shaped economic thinking. But he was even more, argues Prof. Shyama V. Ramani in this tribute to the genius of game theory. Unlike other giants of economic philosophy, Nash has profoundly influenced the evolution of scholarship in artificial intelligence, evolutionary biology, mathematics, psychology, management science and all the social sciences. His ideas are mani...