Conversation so far:
What did American football coach Bill Edwards do after coaching?
Edwards retired in February 1973 after 39 years as a coach and administrator and said he would concentrate on hunting and fishing.
When did American football coach Bill Edwards leave Wittenberg University?
Edwards resigned from coaching in 1969
What did American football coach Bill Edwards do immediately following retirement from Wittenberg University?
Edwards continued to work at Wittenberg as the school's athletic director.

Question: Where was Edwards coaching when he retired?
Self-contained rewrite: Where was American football coach Bill Edwards coaching prior to retirement?