Tony Cannon developed GGPO and invented rollback netcode after graduating from Stanford and working in leadership roles in several tech industry positions: https://www.crunchbase.com/person/tony-cannon
And going by his picture, he seems black or at least half-black, for you race scientists out there. I thought it was worth mentioning.
In the SRK forums he went by the handle Ponder, and I think Seth Killian mentions him in some of his famous essays, I can't remember why. Maybe he used to run the SRK forum?
I'd like to learn how rollback netcode works. It sounds like science-fiction time-travel technology, though a quick search tells me that it merely HIDES the lag, apparently, it doesn't fundamentally get rid of it or diminish it.