Be sure to read Sussman's statement and despair at how close we were to a Scheme Machine. Sad!
By now, in post-apocalyptic LISP-less world, only a true hero wielding the SCHEME-81 Chip signed by Sussman's blood on a primary weapon slot can unleash the power of LISP MACHINE SPIRIT and create a truly LISP-based computer like McCarthy intended
(WITH lambda numerals).