[PAR] [TLE] SpaceDev [SEP] SpaceDev, a part of the "Space Systems Business" of Sierra Nevada Corporation, is prominent for its spaceflight and microsatellite work.  It designed and built components for the hybrid rocket motors for Paul Allen's Tier One suborbital SpaceShipOne space program operated by Scaled Composites.  It is also developing micro- and nano-satellites, a small expendable launch vehicle, the SpaceDev Streaker, and has designed a piloted suborbital and orbital spaceship of its own, the SpaceDev Dream Chaser, in collaboration with NASA. [PAR] [TLE] Paul Allen [SEP] Paul Gardner Allen (born January 21, 1953) is an American business magnate, investor and philanthropist.  He is known for co-founding Microsoft alongside Bill Gates.  As of June 2017, he is estimated to be the 46th richest person in the world, with an estimated net worth of $20.7 billion.
[PAR] [TLE] SpaceDev [ SEP ] SpaceDev , a part of the " Space Systems Business " of Sierra Nevada Corporation , is prominent for its spaceflight and microsatellite work . It designed and built components for the hybrid rocket motors for Paul Allen 's Tier One suborbital SpaceShipOne space program operated by Scaled Composites . It is also developing micro- and nano - satellites , a small expendable launch vehicle , the SpaceDev Streaker , and has designed a piloted suborbital and orbital spaceship of its own , the SpaceDev Dream Chaser , in collaboration with NASA . [PAR] [TLE] Paul Allen [ SEP ] Paul Gardner Allen ( born January 21 , 1953 ) is an American business magnate , investor and philanthropist . He is known for co - founding Microsoft alongside Bill Gates . As of June 2017 , he is estimated to be the 46th richest person in the world , with an estimated net worth of $ 20.7 billion .
Which Microsoft co-founder was involved in the SpaceShipOne space program?
Which Microsoft co - founder was involved in the SpaceShipOne space program ?
Paul Allen
Paul Allen