Conversation so far:
What was Walter Hagen's style?
Hagen was a dashing and assertive character who raised the status of professional golfers and improved their earnings as well.
How wealthy was he?
Hagen also made significant money endorsing golf equipment, and played a major role in helping to design clubs for Wilson Sports.

Question: What did he do with all his wealth?
Self-contained rewrite: What did Walter Hagen do with all his wealth?