Boris Yevseyevich Chertok was a Russian engineer in the former Soviet space program, mainly working in control systems, and later found employment in Roscosmos.
B. Y. Chertok (1911-2011)
The Soviet space program was the national space program of the Union of Soviet Socialist Republics (USSR), active from 1955 until the dissolution of the Soviet Union in 1991.
Soviet cosmonaut Yuri Gagarin—the first man in the outer space.
Members of the Group for the Study of Reactive Motion (GIRD). 1931. Left to right: standing I.P. Fortikov, Yu A Pobedonostsev, Zabotin; sitting: A. Levitsky, Nadezhda Sumarokova, Sergei Korolev, Boris Cheranovsky, Friedrich Zander
Rocket 09 (left) and 10 (GIRD-09 and GIRD-X). Museum of Cosmonautics and Rocket Technology; St. Petersburg.
Chief Designer Sergei Korolev (left), with the father of the Soviet atomic bomb Igor Kurchatov, and Chief Theoretician Mstislav Keldysh in 1956