Elon Musk was born in South Africa in 1971.
Elon Musk is no longer the world's richest person, worth over $188 billion, according to Forbes.
He became famous for starting Tesla Motors and SpaceX but he first made his fortune as a co-founder of PayPal.
Elon Musk has held the title of world’s richest human for more than a year. He might not be king of the mountain for much longer
At age 12, Musk taught himself computer programming and created a video game called Blastar, which he sold for $500.
In 1999, Musk co-founded X.com, an online payment company that eventually became PayPal before being acquired by eBay for $1.5 billion in stock (of which $165 million was given to Musk).
Musk co-founded Tesla Motors, a company that designs and manufacturers electric sports cars.
Tesla was able to succeed in the electric car market where other large manufacturers failed. He now serves as CEO and chief product architect at Tesla.
The Tesla Model S was awarded a 5.4-out-of-5 safety rating from the National Highway Safety Administration, the highest rating ever given an automobile.