Conversation so far:
What is an example of Robert Crumb's early work?
His first job, in 1962, was drawing novelty greeting cards for American Greetings in Cleveland, Ohio.
How long did Robert Crumb work at American Greetings?
He stayed with the company for four years.

Question: Did he like his job there?
Self-contained rewrite: Did Robert Crumb like his job at American Greetings?