Сегодня родился Тихонравов Михаил Клавдиевич
In the photo: the first ever artificial earth satellite launched by the USSR (on 4 October 1957). On July 29, 1900 Tikhonravov Mikhail Klavdiyevich was born. This is a Soviet engineer, a designer space and rocketry. Having finished study, Mikhail Tikhonravov worked at several air enterprises. Tikhonravov is a designer of a number of gliders, of the first Soviet two-level rocket engine, the first Soviet rocket with the engine on hybrid fuel.