The Scaled Composites Model 351 Stratolaunch, or "Roc", is a solitary testbed aircraft built by Scaled Composites for Stratolaunch Systems to carry air-launch-to-orbit rockets, and subsequently repurp
Roc carrying the Talon-A hypersonic testbed
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Paul Allen
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Paul Gardner Allen was an American businessman, computer programmer, and investor. He co-founded Microsoft Corporation with his childhood friend Bill Gates in 1975, which was followed by the microcomp
Scaled Composites Stratolaunch
…ownership. It was announced in December 2011, rolled out in May 2017, and flew for the first time on April 13, 2019, shortly after the death of founder Paul Allen. The aircraft features a twin-fuselage design and the longest wingspan ever flown, at 385 feet (117 m), surpassing the Hughes H-4 Hercules "Spruce…
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