John McCarthy: father of AI

If John McCarthy, the father of AI, were to coin a new phrase for "artificial intelligence" today, he would probably use "computational intelligence." McCarthy is not just the father of AI, he is also the inventor of the Lisp (list processing) language. The author considers McCarthy's conception of Lisp and discusses McCarthy's recent research that involves elaboration tolerance, creativity by machines, free will of machines, and some improved ways of doing situation calculus.