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
James Hammerstein Richard Rodgers. The first play he produced was "Blue Denim", by James Leo Herlihy and William Noble, and the first play he directed was the comedy "Absence of a Cello" in 1964. The "New York Times" wrote: "James Hammerstein has staged the piece with a great deal of verve." His other directing credits include "The Indian Wants the Bronx", "Wise Child" and "Butley". Hammerstein directed the New York City Opera production of "The Sound of Music" in 1990. He co-directed the Rodgers and Hammerstein stage musical "State Fair" in 1996. Among the other Rodgers and Hammerstein musicals he directed were