SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Boris Chertok (born 1912), Russian rocket engineer, talking at a meeting. Chertok, in his 90s here, is one of the veterans of the Soviet space programme. He worked on control systems for ballistic missiles and spacecraft. He has written accounts and memoirs of his experiences, documenting the history of Soviet rocketry, including the definitive four-volume work Rockets and People (2005). Photographed in Moscow, Russia, in 2006.
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