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.
What else was he doing in 1910-11?
The 1911 team featured future head coach William Alexander as a reserve quarterback.

Question: What team was he coaching?
Self-contained rewrite: What team was John Heisman coaching in 1910-11??