Pinball programmer and expert pinball player Lyman F. Sheats Jr. If you've ever played a later Williams pinball like Attack from Mars, and seen the default leaderboard (incredibly even scores like 40,000,000) say LFS, odds are that's a game he worked on.
"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor