"The toughest thing about John Carmack is picking which career highlight to call out — creating the 3D game genre, Wolfenstein 3D, Doom, Quake — any of these would suffice. A self-described 'technology idealist,' it's hard to engage him in conversation until you hit a hot spot — OpenGL versus D3D, for example. Through the success of the Quake licensing initiative, his work is actually more important to the industry now, with legions of 'next Carmacks' trying to equal his impact."
"While he's parted ways with Microsoft, Alex St. John still defends DirectX. He traveled to the Lone Star state to talk about APIs, software patents, 3D hardware, the best talents in the game industry, the volatility of plan files, politics, ethics, and the future of SGI's OpenGL with John Carmack and id's outspoken new programmer Brian Hook..."
It has been suggested that this is the head of one of the co-founders of id Software, either John Romero or John Carmack, depending on the source. John Carmack and John Romero were both instrumental in the development of Quake II. John Romero generally affected long, dark hair and since the head has short sandy-colored hair this suggests that it is John Carmack.