Artificial Intelligence" as part of a proposal for a Dartmouth conference on the subject. The event, held in 1956, is regarded as a watershed moment for the subject. Early the following decade, McCarthy pioneered LISP, a highly popular programming language amongst the AI development community. In 1971, he won a Turing Award from the Association for Computing Machinery and 20 years later was awarded National Medal of Science. A more complete obituary for McCarthy can be found in the source link below.