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Ivan Platonovich Grave (''Иван Платонович Граве'' in Russian; last name is pronounced Grave) ( in Kazan – March 3, 1960 in Moscow) was a Russian and Soviet scientist in the field of artillery, Doctor of Technical Sciences (1939), professor (1927), member of the Academy of Artillery Sciences (1947-1953), Major General of the Engineer Corps (1942).〔(Space memorial - Ivan Platonovich Grave )〕 Ivan Grave graduated from the Mikhailovskoye Artillery School (1895) and Mikhailovskaya Artillery Academy (1900), where he would begin to teach four year later. In 1916, Grave invented a missile powered by smokeless powder and launched from mobile launchers, and first experiments of primitive liquid-fueled rockets, and therefore he is also known as father of ''Katyusha''. In 1918, he participated in creating the RKKA Artillery Academy, where he would work as a head of studies and head of a department until 1943. Ivan Grave was one of the founders of the Soviet school of internal ballistics. Ivan Grave authored two major works called ''Internal Ballistics'' (Внутренняя баллистика) (1933-1938) and ''Ballistics of Semiclosed Space'' (Баллистика полузамкнутого пространства) (1940).〔(Space memorial - Ivan Platonovich Grave )〕 In 1938 Ivan Grave was arrested under the false accusation of participating in the "Military-Fascist Plot," but was released in February 1939 after denunciation of "Yezhovshchina" (the reign of the then NKVD chief Yezhov) and during campaign against slander by Joseph Stalin's order as a particularly valuable specialist. Ivan Grave was awarded the Stalin Prize (1942), Order of Lenin, Orders of the Red Banner, Order of the Patriotic War (1st Class), Order of the Red Star, and numerous medals. The crater Grave on the Moon is named after him. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ivan Grave」の詳細全文を読む スポンサード リンク
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