Arthur Saxon and Hermann Goerner for starters. Dudes were heavy, ripped and strong as hell long before anabolic steroids were available.
Their secret? Lift heavy, often and long and eat like a maniac.
Strongmen of the past often were capable of eating 8k or more calories in a single sitting..
Also it goes "only undereating and undersleeping." At least the barbarian brothers said it that way.
