Did Stigler only work at the University of Chicago?
Yes
No, he also worked at Columbia
No, only at Harvard
No, he was at Oxford
Answer
No, George Stigler did not only work at the University of Chicago. Earlier in his career, he was an economics professor at Columbia University from 1946 to 1958 before moving to the University of Chicago, where he remained until his retirement in 1982.
Mastering the Market: The George Stigler Challenge