Paul Allen co-founded Microsoft with Bill Gates in 1975.
Fast forward to nowadays and Paul Allen's net worth has skyrocketed to $20 billion. He lost his battle with non-Hodgkin's lymphoma this week. Allen was a lifelong bachelor with no children. What will happen to his billions?Read more: All The Incredible Homes,Yachts, Sports Teams Paul Allen Owned Thanks To His $20 Billion Net Worth – And What Happens To It Now
Source: celebritynetworth.com