George De Bothezat was born on 7 June, 1882 in Saint Petersburg. Between 1905 and 1907, he was in an electrotechnical school. In 1914, he became the director of a Polytechnical Institute. In 1915, he brought down on the paper standard bombing tables for Air Force. In 1916, he promoted to the chief of the airfield in Saint Petersburg. In 1918, he joined the National Advisory Committee for Aeronautics. He was hired to build a helicopter in 1021 by the US Army. With US army organization he invented a machine called the Quadrator which is then known by de Bothezat helicopter. He flew a flying machine in 1922 which was the great achievement in the history of aeronautics, though it flew at low altitudes.
In 1926, he owned his company of manufacturing industrial fans. In 1936, he got back to the Albert Einstein’s relativity theory. After some contribution to the field of Physics he returned to the helicopters in 1938 and died on 1 February, 1940.
