Joy - Sun, BSD UNIX, vi Donald Knuth - TAOCP, Father of analysis algorithm, TeX Dennis Ritchie (dmr) - C, Unix, K&R Paul Graham - Lisp, THN, Y Combinator, Hackers & Painters Alan Kay - OOP, GUI Ken Thompson - Unix, B, C, Plan9, Go, Regex, UTF-8 Richard M. Stallman (RMS) - Free Software, GNU, Emacs Linus Torvalds - Linux, Git Larry Wall - Perl, patch Guido Van Rossum - Python