Conversation so far:
When did Irving Thalberg start with Universal Studios?
Irving Thalberg joined Universal Pictures soon after leaving high school.
What did the Irving Thalberg's work as office secretary lead to at Universal Studios?
Irving Thalberg became personal secretary to Universal Pictures' founder and president, Carl Laemmle.
How did becoming a personal secretary at Universal Studios help Irving Thalberg's career ?
Among Irving Thalberg's duties were transcribing and editing notes that Carl Laemmle had written during screenings of his films. Thalberg became adept at making insightful observations, which impressed Laemmle.
How did Irving Thalberg get involved with films ?
Irving Thalberg impressed Carl Laemmle by his ability to understand and explain problems. Laemmle told Thalberg to take charge of the Los Angeles studio, which he did in early 1919.

Question: What were some of these productions he oversaw ?
Self-contained rewrite: What were some of these productions  Irving Thalberg oversaw at Universal Studios?