Sergei Korolev
Sergei Pavlovich Korolev was a Soviet rocket engineer and spacecraft designer. He was involved in the development of the R-7 Rocket, Sputnik 1, and launching Laika and the first human being, Yuri Gagarin, into space. He later directed the Soviet space program and was made a Member of Soviet Academy of Sciences. He died of a heart attack in 1966,...