Information on the Contribution of One of the Following to the Development of Space Exploration: Tsiolkovsky

Konstantin Tsiolkovsky was a true visionary and pioneer of astronautics. He theorized many aspects of human space travel and rocket propulsion decades before others, and played an important role in the development of the Soviet and Russian space programs.
He was born on September 17,1857, in the village of Ijevskoe, Ryasan Province, Russia, the son of a Polish forester who had emigrated to Russia. He was not from a rich family, but a very large one; Konstantin Tsiolkovsky had 17 brothers and sisters. …