Oscar Hammerstein II Mathias by his first wife, and James Hammerstein by his second wife, with whom he also had a stepdaughter, Susan Blanchard. Hammerstein was one of the most important "book writers" in Broadway history – he made the story, not the songs or the stars, central to the musical and brought musical theater to full maturity as an art form. According to Stephen Sondheim, "What few people understand is that Oscar's big contribution to the theater was as a theoretician, as a Peter Brook, as an innovator. People don't understand how experimental "Show Boat" and "Oklahoma!" felt at the time they
Willie Hammerstein rather jaded and cynical atmosphere, the stage slang and black humor. Acts could afford to include more sexual innuendo than in other houses. To keep costs and prices down, a typical Hammerstein bill would feature a few well-paid stars and a large number of lower-priced novelty acts. Hammerstein made the Victoria the most popular venue for vaudeville in New York. The Victoria was a grand building, and played some high-quality acts. As of 1905 the theater owners who booked through the William Morris Agency seemed likely to become dominant in the vaudeville industry. They included Hammerstein, Frederick Freeman Proctor, Timothy