Yeah, I don't know why this never popped on my radar. I read Abrash books long ago, MS employees blog too, its history around the creation of UIs (xerox/apple and all that), the OS/2 era .. and I never saw his name (or maybe selective vision tricked me).
Gabe and Carmack are probably above Amelio and below Jobs and Gates in impact on the world - but probably above them all in impact when measured on a “desired” axis - people sought out Doom in a way that even the iPhone wasn’t.