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Touhid Khan

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There are two incomplete words. Place three (3) letters in bracket so that you can complete the word on the left and begin the word on the right.
If a66cb - 3c30c = 6b3c4 find number abc. Multiple solutions may exist.

Valentin Petrovich Glushko

Born 20 Aug 1908; died 10 Jan 1989 at age 80.Soviet rocket scientist who was a pioneer developer of rocket engines (1946-74). From 1929, he worked in Leningrad in GDL - the Gas Dynamics Laboratory, the military rocket research organization, founded in 1921. He worked with renowned rocket designer Sergey Korolyov (1932-1966). In Aug 1957, they successfully launched the first intercontinental ballistic missile and in October of the same year, sent the first artificial satellite, Sputnik I, into orbit. He became chief designer for the Soviet space program in 1974, helping to oversee development of the Mir space station. During his life, he designed the most succesessful rocket engines in the Soviet space program.

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