From Wikipedia, the free encyclopedia Saul Chaplin (born Saul Kaplan; February 19, 1912 – November 15, 1997) was an American composer and musical director. Chaplin worked on stage, screen and television since the days of Tin Pan Alley. In film, he won three Oscars for collaborating on the scores and orchestrations of An American in Paris (1951), Seven Brides for Seven Brothers (1954) and West Side Story (1961).