 Korolev was the mastermind behind the first satellite, first man (and first woman) in orbit and first spacewalk.Until his death his identity was a closely guarded state secret; not even his mother knew that he was responsible for creating the Soviet space program.Kerim Kerimov was one of the founders of the Soviet space program and was one of the lead architects behind the first human spaceflight ("Vostok 1") alongside Sergey Korolev.