Known for his entrepreneurial endeavors and eccentric hobbies, Elon Musk has become a multimillionaire before the age of 30. The Tesla Motors developer was born in South Africa and moved to the U.S. in 1992.
At the height of the internet boom, Musk became hugely successful with his business, Zip2 Corporation. This business was later acquired by Compaq Computers. Musk moved on to bigger fish create the ever popular PayPal. In 2002, Musk made his first million bucks by selling to eBay.