The inventor of television, Philo Farnsworth, had blueprints for television when he was fourteen. He made a working prototype television when he was 21. He was child prodigy, who had a complete understanding of the theory of relativity when he was 15. Upon completing construction of the first television he exclaimed "There you are: electronic television", and thus he changed history forever. Sadly, he fell completely into obscurity. (source) - OMG Facts - Your Mind. Blown.