Conversation so far:
what was John Heisman's legacy?
Heisman was inducted into the College Football Hall of Fame as a coach in 1954, a member of the second class of inductees.
did he win any awards?
CANNOTANSWER.
did he set any records?
He developed one of the first shifts.
did he have other shifts?
He was a proponent of the legalization of the forward pass.

Question: was this successful?
Self-contained rewrite: was the push for the legalization of the forward pass successful?