Yannis Xenakis, or Iannis Xenakis (in modern Greek: Γιάννης Ξενάκης), born on May 29, 1921, in Brăila, Romania, and died on February 4, 2001, in the 9th arrondissement of Paris, was a composer, architect, and engineer of Greek origin, naturalized French citizen married to the writer Françoise Xenakis, with whom he had a daughter, the painter and sculptor Mâkhi Xenakis.
He was an architect and collaborated, within Le Corbusier's studio, on the creation of the Philips Pavilion for the 1958 World's Fair in Brussels, now destroyed.
He was the first European to use a computer to compose music and created stochastic music.