The world's first commercial spacewalk took place on Tuesday morning, a private operation bankrolled by the first person who emerged from the SpaceX craft. That would be Jared Isaacman, a 41-year-old tech billionaire who is now the subject of plenty of coverage:
- Dropout: Steve Jobs famously dropped out of college. Isaacman actually dropped out of high school before making his fortune, notes the BBC. He did so at the age of 16 because a New Jersey company for whom he'd been working part-time offered him a full-time IT job, according to a Forbes profile. Isaacman eventually got his GED as he worked out of his parents' basement.