Here are a few of the culprits:
http://www.paulgraham.com/rootsoflisp.html
http://www.fogus.me/fun/lithp/
http://nakkaya.com/2010/08/24/a-micro-manual-for-lisp-implem...
http://www.zogotounga.net/comp/squeak/lispkit.htm
Curse them all.
http://www.paulgraham.com/rootsoflisp.html
http://www.fogus.me/fun/lithp/
http://nakkaya.com/2010/08/24/a-micro-manual-for-lisp-implem...
http://www.zogotounga.net/comp/squeak/lispkit.htm
Curse them all.
He went from that to writing a book about a Lisp (Clojure) in just 943 days (~ 2.5 years) :)