publication date: Friday, January 2, 2004 (part of Round XXI)
clue: I wish my puzzles took as much effort to figure out as his.
explanation: Rubik was an inventor of puzzles, the most famous being the Rubik's Cube (barely visible in the goo). more…
trivia: Incorrect guesses included Duane Cash, Bill Gates, Thomas Kinkade, Will Shortz, and (almost) Christopher Monckton