Paul Gardner Allen was an American businessman, computer programmer, researcher, investor, film producer, explorer, and philanthropist. He is best known for co-founding Microsoft Corporation with his childhood friend Bill Gates in 1975, which helped spark the microcomputer revolution of the 1970s and 1980s. Allen was ranked as the 44th-wealthiest person in the world by Forbes with an estimated net worth of $20.3 billion at the time of his death in October 2018.
Allen at the Flying Heritage Collection in 2013
Allen (left) with Bill Gates at Lakeside School in 1970
The title page of the assembly language code that produced Altair BASIC, developed by Allen, Gates, and Monte Davidoff, with two early Microsoft business cards showing Gates as president and Allen as vice president
SpaceShipOne on ramp before takeoff in October 2004
Microsoft Corporation is an American multinational corporation and technology company headquartered in Redmond, Washington. Microsoft's best-known software products are the Windows line of operating systems, the Microsoft 365 suite of productivity applications, and the Edge web browser. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface lineup of touchscreen personal computers. Microsoft ranked No. 14 in the 2022 Fortune 500 rankings of the largest United States corporations by total revenue; and it was the world's largest software maker by revenue in 2022 according to Forbes Global 2000. It is considered one of the Big Five American information technology companies, alongside Alphabet, Amazon, Apple, and Meta.
Aerial view of the Microsoft Redmond campus
An Altair 8800 computer (left) with the popular Model 33 ASR Teletype as terminal, paper tape reader, and paper tape punch
Paul Allen and Bill Gates on October 19, 1981, after signing a pivotal contract with IBM
Bill Gates and Paul Allen's Original Business Cards located in the Microsoft Visitor Center.
