Quote of the day
Men can only be happy when they do not assume that the object of life is happiness.
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.