Conversation so far:
What are some things that happened in John Kenneth Galbraith's life?
The Great Depression, WWII
What did John Kenneth Galbraith teach?
Economics
How successful was John Kenneth Galbraith as an instructor?
Was John Kenneth Galbraith well liked by students?

Question: What else did he do besides become an instructor?
Self-contained rewrite: What else did John Kenneth Galbraith do besides become an instructor?