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Konstantin Eduardovich Tsiolkovskii
Russian and soviet rocket scientist and pioneer of the astronautic theory (1857-1935).
Born September 17th, 1857 in Izhevskoe. [ref]
Died September 19th, 1935 at 78 years old in Kaluga. [ref]
Occupations
aerospace engineer, astronomer, cosmologist, inventor, mathematician, philosopher, physicist, science fiction writer, scientist, teacher, writer
Wikipedia
Inside every older person is a younger person wondering what the hell happened. Cora Harvey Armstrong