Elon Musk

Astronaut looking at Mars colony

By the age of 31, the South-Africa born Elon Musk had cofounded and sold two companies for hundreds of millions of dollars. One of them was Paypal. The other was SpaceX, the first privately run company dedicated to space exploration. Musk may be best known for his Tesla company and the Hyperloop, but he’s most interesting because he’s unpredictable.