Boris Yevseyevich Chertok (Russian: Бори́с Евсе́евич Черто́к; 14 March [O.S. 1 March] 1912 – 14 December 2011) was a Russian electrical engineer and the control systems designer in the Soviet Union´s space program, and later found employment in Roscosmos.
Major responsibility under his guidance was primarily based on computerized control system of the Russian missiles and rocketry system, and authored the four-volume book Rockets and People– the definitive source of information about the history of the Soviet space program.
From 1974, he was the deputy chief designer of the S.P. Korolev Rocket and Space Corporation Energia, the space aircraft designer bureau which he started working for in 1946. He retired in 1992.
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