Conversation so far:
Who did Arthur Miller marry after his first wife?
In June 1956, Miller left his first wife, Mary Slattery, whom he married in 1940, and married film star Marilyn Monroe.
How did Arthur Miller's relationship with Marilyn Monroe start?
They had met in 1951, had a brief affair, and remained in contact since.
How did the Arthur Miller Foundation start?
The Arthur Miller Foundation was founded to honor the legacy of Miller and his New York City Public School Education.

Question: What is millers legacy?
Self-contained rewrite: What is Arthur Miller's legacy besides his foundation?