Conversation so far:
How did John Heisman begin coaching?
John Heisman first coached at Oberlin College.
Was John Heisman successful at Oberlin?
In 1892, The Oberlin Review wrote: Mr. (John) Heisman has entirely remade our football. He has taught us scientific football.“

Question: Why did he call it scientific?
Self-contained rewrite: Why was John Heisman's coaching at Oberlin College called scientific?