Conversation so far:
How did John Heisman begin coaching?
Heisman first coached at Oberlin College.
Was he successful at Oberlin?
In 1892, The Oberlin Review wrote: "Mr.
Heisman has entirely remade our football.
He has taught us scientific football..
Why did he call it scientific?
He used the double pass, from tackle to halfback, and moved his quarterback to the safety position on defense.

Question: Why did he leave Oberlin?
Self-contained rewrite: Why did John Heisman leave Oberlin?