Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American business magnate, investor, and philanthropist. He co-founded Microsoft alongside Bill Gates in 1975. At the time of his death, he was estimated to be the 46th-richest person in the world, with an estimated net worth of $20.3 billion,[2][3] including 100 million shares of Microsoft.[4]
