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Konstantin Tsiolkovsky
Russian and soviet rocket scientist and pioneer of the astronautic theory (1857-1935).
Born September 17th, 1857 in Izhevskoe.
Died September 19th, 1935 at 78 years old in Kaluga. [ref]
Occupations
astronomer, cosmologist, inventor, mathematician, military flight engineer, philosopher, physicist, science fiction writer, scientist, teacher, writer
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