Quote of the day
The liberty of man consists solely in this: that he obeys natural laws because he has himself recognized them as such, and not because they have been externally imposed upon him by any extrinsic will whatever, divine or human, collective or individual.
Konstantin Tsiolkovsky
Born: September 5, 1857
Died: September 19, 1935 (aged 78)
Bio: Konstantin Eduardovich Tsiolkovsky was a Russian and Soviet rocket scientist and pioneer of the astronautic theory, of Polish, Russian, and Tatar descent. Along with his followers, the German Hermann Oberth and the American Robert H.