Robert Esnault-Pelterie

Robert Albert Charles Esnault-Pelterie was a French aircraft designer and spaceflight theorist. He is referred to as being one of the founders of modern rocketry and astronautics, along with the Russian Konstantin Tsiolkovsky, the Chinese Qian Xuesen, the Germans Hermann Oberth, Wernher von Braun and the American Robert H. Goddard.

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