Georg Arthur Constantin Friedrich Zander (also Tsander, Russian: Фридрих Артурович Цандер, tr. Fridrikh Arturovich Tsander; Latvian: Frīdrihs Canders, 23 August [O.S. 11 August] 1887 – 28 March 1933), ...
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was a Baltic German pioneer of rocketry and spaceflight in the Russian Empire and the Soviet Union. He designed the first liquid-fueled rocket to be launched in the Soviet Union, GIRD-X, and made many important theoretical contributions to the road to space.
