Albert Einstein
According to all of your science books and that one episode of Animaniacs, Albert Einstein, Time Magazine's Man of the Century, invented the theory of relativity. Certainly, when you hear the name Einstein, you undoubtedly will think "He discovered relativity" or "He came up with that E=mc2 equation" or "He was a total sex maniac." Only one of those things is true. (It's the sex maniac part.)
Who Actually Invented...