The company was founded by the late billionaire and Microsoft Corp co-founder Paul Allen in 2011, and sold to private ownership in late 2019 after Allen's death. Stratolaunch was developed by Microsoft co-founder Paul Allen, who died less than a year before it flew for the first time in April 2019. It was developed by Microsoft co-founder Paul G. Allen, who died just months before it flew for the first time in April 2019. It was developed by Microsoft co-founder Paul G. Allen, who died just months before it flew for the first time in April 2019The impressive craft in mid-flight. REUTERSRoc was developed by Microsoft co-founder Paul G. Allen, who died just months before it flew for the first time in April 2019.
The company was named after Paul's grandfather.
( z0 name :ARG1 ( z1 company ) :ARG2 ( z2 person :ARG0-of ( z3 have-rel-role :ARG1 ( z4 person :name ( z5 name :op "Paul" ) ) :ARG2 ( z6 grandfather ) ) ) )
(z0 / name-02
    :ARG1 (z1 / company)
    :ARG2 (z2 / person
              :ARG0-of (z3 / have-rel-role-91
                           :ARG1 (z4 / person
                                     :name (z5 / name
                                               :op1 "Paul"))
                           :ARG2 (z6 / grandfather))))
The company was named after Paul 's grandfather .
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z4 :name z5
z5 :op1 0
z0 :ARG2 z2
z2 :ARG0-of z3
z3 :ARG1 z4
z3 :ARG2 z6