Daniel Weinreb: Creating Common Lisp and Lisp machines When did you first try Lisp seriously, and which Lisp family member was it? I first started using Lisp in 1976, using MacLisp for the PDP-10 under ITS. Very soon afterwards I began using the nascent Lisp machine dialect. What led you to try Lisp? I was hired at the MIT Artificial Intelligence Lab to work on the new Lisp machine project. My fir