Petr Kotík (born 1942 in Prague) is a composer, flutist, and conductor, and a central figure in post-WWII classical music. Kotík collaborated closely with
John Cage from 1964 until 1992. He is cofounder, with
Julius Eastman and Jan Williams, of the S.E.M. Ensemble, and, with
Alvin Lucier, Earle Brown, and
Christian Wolff, of the Ostrava Days Festival. He is the recipient of numerous awards, including the 2022 John Cage Award from the Foundation for Contemporary Arts.