Conversation so far:
What is the jump shift?
CANNOTANSWER.
What was he doing in 1910?
Heisman's 1910 team went 5-3, and relied on the jump shift for the first time.
How does the jump shift work?
CANNOTANSWER.

Question: What else was he doing in 1910-11?
Self-contained rewrite: What else was John Heisman doing in 1910-11 other than coaching?