Conversation so far:
What was Mercury Theatre?
in 1937, Welles and Houseman founded their own repertory company, which they called the Mercury Theatre.
What did the company do?
Welles was executive producer.
What role did Houseman play?
CANNOTANSWER.
Did they write productions?
Caesar, Welles's modern-dress adaptation of Shakespeare's tragedy Julius Caesar.

Question: How were their shows received?
Self-contained rewrite: How were Welles and Houseman's shows received?