Mark Zuckerberg was born on 14 May 1984, in White Plains, New York.
He graduated from Phillips Exeter Academy before enrolling at Harvard to study psychology and computer science at 18.
He was already a good programmer.
Within a year, he creates Coursematch, which allowed users to make class selection decisions based on the choices of other students.
He also starts Facemash, a precursor to Facebook, which was shut down by Harvard administration.
In 2004, at 20, he launches "the facebook" and drops out of Harvard.
Within three years he was the youngest billionaire, ever.
Currently, Mark Zuckerberg is one of the richest people on the planet.