The co-founder and CEO of SnapChat, 23-year-old Evan Spiegel, turned down an offer of $3 billion from Facebook and then a $4 billion bid from Google.
7
Oil tycoon, John D. Rockefeller, was the world's first billionaire.
51
The founder of McDonald's has a Bachelor degree in Hamburgerology.
158
A Kodak engineer constructed the first digital camera in 1975. They didn't want to go digital. They went bankrupt in 2012.
9
The first female self-made millionaire in America was a black woman.
4