Richard Branson crosses oceans in hot-air balloons. Peter Thiel planned an elaborate conspiracy fronted by Hulk Hogan. Mark Zuckerberg has a profoundly strange haircut. But even by the standards set by other billionaires, Elon Musk stands out as eccentric. With his own fan club (the Musketeers) and a dream to die on Mars, Musk frequently makes headlines with his newsworthy antics and big business moves. Learn more about his fascinating career in our latest Instaread original.