At the same time (1960) there was already a Programmer‘s Manual for Lisp 1. Lisp then had a real implementation with a lot novel stuff like garbage collection,

At the same time (1960) there was already a Programmer‘s Manual for Lisp 1. Lisp then had a real implementation with a lot novel stuff like garbage collection, resumeable memory images, code as data, etc. http://bitsavers.org/pdf/mit/rle_lisp/LISP_I_Programmers_Manual_Mar60.pdf http://bitsavers.org/pdf/mit/rle_lisp/LISP_I_Programmers_Man...