Elon Musk , the founder of PayPal , created the rocket company SpaceX , and John Carmack , the creator of computer games like Doom and Quake , has been testing rocket designs through his company , Armadillo Aerospace near Dallas .
PayPal
Elon Musk
/business/company/founders
John Carmack
Armadillo Aerospace
/business/person/company
PERSON
Elon Musk
ORGANIZATION
PayPal
ORGANIZATION
SpaceX
PERSON
John Carmack
ORGANIZATION
Armadillo Aerospace
LOCATION
Dallas