[PAR] [TLE] John Carmack [SEP] John D. Carmack (born August 20, 1970) is an American game programmer, aerospace and virtual reality engineer.  He co-founded id Software.  Carmack was the lead programmer of the id video games "Commander Keen", "Wolfenstein 3D", "Doom", "Quake", "Rage" and their sequels.  Carmack is best known for his innovations in 3D graphics, such as his Carmack's Reverse algorithm for shadow volumes, and is also a rocketry enthusiast and the founder and lead engineer of Armadillo Aerospace.  In August 2013, Carmack took the position of CTO at Oculus VR, which in 2014 became a subsidiary of Facebook. [PAR] [TLE] Adrian Carmack [SEP] Adrian Carmack (born May 5, 1969) is one of the four founders of id Software, along with Tom Hall, John Romero, and John Carmack (no relation).  He had worked there as an artist.  He was a major stock owner of id Software until he left the company.
[PAR] [TLE] John Carmack [ SEP ] John D. Carmack ( born August 20 , 1970 ) is an American game programmer , aerospace and virtual reality engineer . He co - founded i d Software . Carmack was the lead programmer of the i d video games " Commander Keen " , " Wolfenstein 3D " , " Doom " , " Quake " , " Rage " and their sequels . Carmack is best known for his innovations in 3D graphics , such as his Carmack 's Reverse algorithm for shadow volumes , and is also a rocketry enthusiast and the founder and lead engineer of Armadillo Aerospace . In August 2013 , Carmack took the position of CTO at Oculus VR , which in 2014 became a subsidiary of Facebook . [PAR] [TLE] Adrian Carmack [ SEP ] Adrian Carmack ( born May 5 , 1969 ) is one of the four founders of i d Software , along with Tom Hall , John Romero , and John Carmack ( no relation ) . He had worked there as an artist . He was a major stock owner of i d Software until he left the company .
Adrian Carmack is a founder of id Software, along with which other aerospace engineer?
Adrian Carmack is a founder of i d Software , along with which other aerospace engineer ?
John D. Carmack
John D. Carmack