William Finn is an American composer and lyricist known for his work in musical theater. He gained prominence in the 1990s with his acclaimed musicals, including Falsettos, which combines elements of comedy and drama to explore themes of love and family. Finn's unique style often features intricate melodies and heartfelt lyrics. He has received several awards for his contributions to theater, including Tony Awards and Drama Desk Awards. His works continue to resonate with audiences, showcasing his ability to blend humor with poignant storytelling.