A beginner's programming language created at Dartmouth in 1964 by John Kemeny and Thomas Kurtz. Built into most home computers of the late 1970s and 1980s, it was many artists' first language.
And then software, where early in the decade you see John McCarthy with Lisp. You see John Kemeny and Kurtz with BASIC in 1964.
Peter Bauman, Michael Spalter on 1960s Computer Art