Conversation so far:
Why did Robert Maynard Hutchins move to Chicago?
In 1929, he moved to Chicago, Illinois to become President of the University of Chicago.
How long was Robert Maynard Hutchins the President of the University of Chicago?
Hutchins served as President of the University of Chicago from 1929 to 1945.
What happened in 1945 to Robert Maynard Hutchins at the University of Chicago?
Hutchins served as Chancellor of the University of Chicago from 1945 to 1951.

Question: What did he do as president?
Self-contained rewrite: What did Robert Maynard Hutchins do as President of the University of Chicago?