Conversation so far:
How was Thalberg involved with Universal Studios?
IRving Thalberg found work as an office secretary at Universal Pictures' New York office
How did this help Irving Thalberg's career?
Two months later, Laemmle returned to California, partly to see how well Thalberg was able to handle the responsibilities he was given.

Question: What else did he do?
Self-contained rewrite: What else did Irving Thalberg do besides handle the responsibilities he was given by Laemmle?