[imd]

You're only counting his Unix stuff. He's credited on the chine nual[0], he wrote bit-twiddling hacks, he published an AI paper with Sussman, etc. His WP page mentions a bunch of stuff.

[0]: http://www.flickr.com/photos/two_pi_r/264672507/

[nkassis]

Yep and He also was a one man reverse engineering army during the lisp machine war. His programming skills are really good. His personality is another thing.