Conversation so far:
What did Bradbury do in Hollywood?
Ray Bradbury lived about four blocks from the Fox Uptown Theatre on Western Avenue in Los Angeles, the flagship theater for MGM and Fox.
Where did Bradbury sneak in Hollywood?
Ray Bradbury learned how to sneak in and watched previews almost every week four blocks from the Fox Uptown Theatre on Western Avenue in Los Angeles.

Question: What else did he do in Hollywood?
Self-contained rewrite: What else did Bradbury do in Hollywood besides sneak in the Fox Uptown Theatre?