Elon Musk tweeted that the Egyptian pyramids were built by aliens. Here are 39 of the most outrageous things he's said over the years. (TSLA)

· Elon Musk is one of the most outspoken leaders in tech. 
· The CEO of Tesla and SpaceX has inspired intense devotion and attracted controversy as a result of his public statements.
· But he's also landed himself in hot water, like when he called a British cave diver a "pedo guy" or said he had the funding secured to take...