Masters of Doom: How Two Guys Created an Empire and Transformed Pop Culture

by David Kushner

The computer underground did not discriminate by age; a geek was a geek was a geek.

Carmack was of the moment. His ruling force was focus. Time existed for him not in some promising future or sentimental past but in the present condition, the intricate web of problems and solutions, imagination and code.

Carmack had read about a programming process known as Binary Space Partitioning, or BSP.