

Hammerstein also became a guru to the aspiring composer, inviting Sondheim to work as an assistant on the Hammerstein/Rodgers collaboration “Allegro.” Sondheim became friendly with Hammerstein’s son, and soon developed his own surrogate father-son relationship with the composer.


By then, his parents had divorced and Sondheim relocated with his mother to Doylestown, Pa., where the neighbors included the Hammersteins. The precocious Sondheim showed an aptitude for music as a child, studying piano at age seven before writing his first musical at 15. Stephen Joshua Sondheim was born in Manhattan, the only child of dress manufacturer Herbert Sondheim and his chief designer/wife Etta.
