I went to a seminar that he put on in the early 80s. He was charismatic and articulate, and he had forearms like hams.
I've still got a copy of his 'Keys to the Inner Universe' upstairs. It's the size of a medieval bible, and has got illustrations of every variation of every exercise ever.
230 strict press @ 220; bodyweight+187 X 4 dips @ 180; 403 front squat @ 210; 10 000 push-ups.
Ignoring irrelevant credentials since I was 17.