Constantin Rozanoff

Constantin Wladimir Rozanoff, also known as Kostia Rozanoff, (Russian: Розанов, Константин Владимирович) ((1905-08-23)August 23, 1905 – (1954-04-03)April 3, 1954) - was a French test pilot, Colonel of the French Air Force, and one of the pioneers of jet aviation. He was chief-pilot at Dassault Aviation. He flew 201 types of planes and helicopters, and accumulated 5,000 flying hours, including 3,865 combat hours, and breaking the sound barrier 104 times.