Died 1942-02-23.
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Yuri Kondratyuk
Yuri Vasilyevich Kondratyuk, real name Aleksandr Ignatyevich Shargei, was a Soviet engineer and mathematician. He was a pioneer of astronautics and spaceflight, a theoretician and a visionary who, in the early 20th century, developed the first known lunar orbit rendezvous (LOR), a key concept for landing and return spaceflight from Earth to the Moon. The LOR was later used for the plotting of the…
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science · Soviet engineer and mathematician (1897–1942) · military flight engineer · engineer · physicist · also Yuri Kondratyuk, Yuri Vasilievich Kondratyuk, Yuri Vasilyevich Kondratyuk, Alexandr Shargei, Alexander Shargei, Aleksandr Shargei
Born 9 June 1897 · Died 23 February 1942 · Q921167
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1942· 1 entry
1930· 1 entry
Was investigated as a "saboteur" by the NKVD
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1925· 1 entry
Kondratyuk made contact with Moscow-based scientist Vladimir Vetchinkin and sent him the manuscript
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1920· 1 entry
Kondratyuk made an attempt to escape for Poland but was stopped and turned back by border guards
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1917· 1 entry
Following the Russian Revolution and tried to make a living stoking boilers back in Poltava
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1897· 2 entries
Born 1897-06-09.
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In Poltava, Russian Empire (now Ukraine), although his family originally lived in Kiev
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