Larry Ellison is without a doubt one of the most notable internet entrepreneurs and programmers ever. He is currently the sixth richest man on the planet, with a net worth of $51.7 billion. Larry first attended the University of Illinois for two years, and then spent a semester at the University of Chicago. After dropping out, he moved to California and worked in numerous tech companies for around 10 years. He finally co-founded the Oracle Corporation in 1977, which made him insanely rich.