Conversation so far:
What subject did Ludwig Mies van der Rohe teach while as an educator?
He played a significant role as an educator, believing his architectural language could be learned.
At which school did Ludwig Mies van der Rohe teach at?
The Illinois Institute of Technology in Chicago.
What year did Ludwig Mies van der Rohe begin teaching at the Illinois Institute of Technology?
Mies came to Illinois Institute of Technology to head the university's Department of Architecture in 1938

Question: Did he contribute any acclaimed ideas while he was teaching at the Illinois Institute of Technology?
Self-contained rewrite: Did Ludwig Mies van der Rohe contribute any acclaimed ideas while he was teaching at the Illinois Institute of Technology?