Conversation so far:
What type of legacy did John Heisman leave behind?
John Heisman was inducted into the College Football Hall of Fame as a coach in 1954. He was an innovator and master strategist.
What type of innovation was John Heisman known for?
John Heisman developed one of the first shifts.
What was the shift John Heisman developed called?
The jump shift or Heisman shift, was an American football shift maneuver utilized by John Heisman.
Did John Heisman win any awards during his lifetime?

Question: What year did he retire from coaching?
Self-contained rewrite: What year did John Heisman retire from coaching?