Born 1955 in Budapest. Hungarian composer and flutist. He was a founding member of the Hungarian new music ensemble Group 180 (1978-90) and writes primarily in the minimal style. His current group, The Gordian Knot, was formed in 1998.
Szemző is also known for creating the musical soundtrack for a documentary on Austrian philosopher Ludwig Wittgenstein's Tractatus Logico-Philosophicus. The musical piece, in its entirety, is entitled Tractatus.
Recordings of Szemző's music have been released on the HPS, Hungaroton, and Leo labels.