Who wrote the lyrics for Leonard Bernstein's 1957 Brodway musical West Side Story?

Stephen Sondheim wrote the lyrics for Leonard Bernstein's 1957 Broadway musical West Side Story. Sondheim, a renowned American lyricist and composer, collaborated with Bernstein and playwright Arthur Laurents in creating the iconic songs that accompany the tragic love story. Sondheim's innovative and poetic lyrics are celebrated for their intricate wordplay, emotional depth, and ability to capture the essence of the characters and the musical's themes of love, violence, and cultural clashes in 1950s New York City.