Boris Evseyevich Chertok (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 the Roscosmos in Russia. 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. Born in Łódź (modern Poland), his family moved to Moscow when he was aged 3. Starting from 1930, he worked as an electrician in a metropolitan suburb. Since 1934, he was already designing military aircraft in Bolkhovitinov design bureau. In 1946, he entered the rocket-pioneering NII-88 as a head of control systems department, working alongside with Sergei Korolev, whose deputy he became after OKB-1 spun off from the NII-88 in 1956.He was married to Yekaterina Semyonovna Golubkina. By views, he was an atheist.

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