But one name was still missing. Indeed, it mostly never appeared on a film at all: Irving G. Thalberg, the second vice president and head of production, not yet 25 years old at the time of the deal.

Show Caption1 of 15 Kenneth Turan’s new book, “Louis B. Mayer & Irving Thalberg: The Whole Equation,” tells the story of the partnership between the two mean helped Metro-Goldwyn Mayer ...