The LISP 1.5 Programmers manual! Love this one. Your 2) is what Alan Kay called "Maxwell's Equations of Software". And you're right, there's absolute magic in

The LISP 1.5 Programmers manual! Love this one. Your 2) is what Alan Kay called "Maxwell's Equations of Software". And you're right, there's absolute magic in old computing papers. They were pioneers. I wish we could see more of this pioneering spirit combined with todays silicon and ease of international communication.