Friedrich Zander Scientist
Friedrich Zander (Russian: Фридрих Артурович Цандер Fridrikh Arturovich Tsander 11 August [O.S. 23 August] 1887 – 28 March 1933), 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.