Who were the people involved in sputnik?

Sputnik was launched by the Soviet Union on October 4, 1957, marking the first artificial satellite in space. Key figures involved in the project included Sergei Korolev, the chief engineer and designer, who played a crucial role in the Soviet space program, and various scientists and engineers from the Soviet space research community. The launch was a significant achievement that heightened the space race between the United States and the Soviet Union during the Cold War.