In 2022 Elon Musk - one of the richest and best-known people on earth - made headlines worldwide with his bid to buy Twitter, and he is often in the news for his entrepreneurial exploits and his controversial tweets. Who is this boundary-pushing billionaire with grand plans of inhabiting Mars, and what lies at the heart of his vision? Why is he so utterly unafraid of risk? As an awkward Pretoria schoolboy who loved comics and science fiction, Musk's early years and singular family background were crucial in forming his stellar ambitions.