Tsiolkovski

Tsiolkovski

(Russian tsʌlˈkofskjɪ) n (Biography) Konstantin Eduardovich (kənstʌnˈtjin eduˈadəvɪtʃ). 1857–1935, Russian aeronautical engineer, a pioneer of rocket and space research. His work on liquid-fuelled rockets anticipated the ideas of Robert Goddard