William Elden Bolcom (born May 26, 1938) is an American composer and pianist. He has received the Pulitzer Prize, the National Medal of Arts, two Grammy Awards, the Detroit Music Award and was named 2007 Composer of the Year by Musical America. Bolcom taught composition at the University of Michigan from 1973–2008. He is married to mezzo-soprano Joan Morris.
Bolcom was born in Seattle, Washington. At the age of 11, he entered the University of Washington to study composition privately with George Frederick McKay and John Verrall and piano with Madame Berthe Poncy Jacobson. "He later studied with Darius Milhaud at Mills College while working on his Master of Arts degree, with Leland Smith at Stanford University while working on his D.M.A., and with Olivier Messiaen at the Paris Conservatoire, where he received the 2ème Prix de Composition."
Bolcom won the Pulitzer Prize for music in 1988 for 12 New Etudes for Piano. In the fall of 1994, he was named the Ross Lee Finney Distinguished University Professor of Composition at the University of Michigan. In 2006, he was awarded the National Medal of Arts. Notable students include Gabriela Lena Frank, Carter Pann, Elena Ruehr and Kevin Puts.