Dell CEO who founded the computer company at 19 in his dorm room.
He sold Houston Post subscriptions door-to-door during his high school summers.
He was listed as the 41st richest person in the world by Forbes in 2012.
He was born into a Jewish family in Texas. His father was an orthodontist, and his mother was a stockbroker. He had four children with his wife Susan Lynn Leiberman.
He was contemporaries with another famous Jewish entrepreneur, Duff Goldman.