Larry DeMar worked in the pinball industry primarily from 1980-1995. He is best known for his work as a coder for games like World Cup Soccer, Twilight Zone, The Addams Family, FunHouse, and more.
LoserKid Pinball Podcast: Ep 120: The Godfather of Modern Code, Larry DeMar
Pinball News: Pinball Expo 2003