I don't think the creator of CoffeeScript (Jeremy Ashkenas) was (directly) ever involved in LiveScript. LiveScript was forked from Coco which was forked from CoffeeScript.

Wikipedia does claim Ashkenas was involved [1], but LiveScript website doesn't list him [2].

[1] https://en.m.wikipedia.org/wiki/LiveScript_(programming_lang... [2] http://livescript.net/#thanks