Oscar Greeley Clendenning Hammerstein II (; July 12, 1895 – August 23, 1960) was an American lyricist, librettist, theatrical producer, and (usually uncredited) director in musical theater for nearly 40 years. He won eight Tony Awards and two Academy Awards for Best Original Song. Many of his songs are standard repertoire for vocalists and jazz musicians. He co-wrote 850 songs.
He is best known for his collaborations with composer Richard Rodgers, as the duo Rodgers and Hammerstein, whose musicals include Oklahoma!,... plus