This was the first Common Lisp book I studied back in the 90s. Two of my Professors had done early work in AI and started a successful company that still runs

This was the first Common Lisp book I studied back in the 90s. Two of my Professors had done early work in AI and started a successful company that still runs on CL: https://www.siscog.pt/en-gb/ https://www.siscog.pt/en-gb/