There was an original LISP dialect; a quick Google search / Wikipedia session yielded this memo about a LISP 1.5 compiler written in 1962: ftp://publications.a

There was an original LISP dialect; a quick Google search / Wikipedia session yielded this memo about a LISP 1.5 compiler written in 1962: ftp://publications.ai.mit.edu/ai-publications/pdf/AIM-039.pdf Also there's LISP 1.5 Programmer's Manual dated August 17, 1962 which is quite an interesting read: http://www.softwarepreservation.org/projects/LISP/book/LISP%201.5%20Programmers%20Manual.pdf http://www.softwarepreservation.org/projects/LISP/book/LISP%...