Today's doodle is, in fact, a really cute mini-game. And somehow the google geeks were able to circumvent infinite loops, so to compsci and math majors, your efforts will be futile.
In my humble opinion, he's our version of Einstein, our own Euler, given how young our field is. Alan Turing deserves more recognition for what he did during the war. It's a shame that the government he helped to save was the very one that drove him into committing suicide.
Cheers to the great mind that was Alan Turing!