Robert Reiniger Meredith Willson (May 18, 1902 – June 15, 1984) was an American flutist, composer, conductor, musical arranger, bandleader, playwright, and author. He is best known for writing the book, music, and lyrics for the 1957 hit Broadway musical The Music Man. He wrote two other Broadway musicals and composed symphonies and popular songs. He was twice nominated for Academy Awards for film scores.