Question

Who is Sergei korolev?

Answer 1

He was a lead Soviet rocket engineer and spacecraft designer during the space race between the US and Soviet Union

Answer 2

Father of the Soviet Union's success in space. Sergei Korolev is the man responsible for the first human spaceflight. ... In 1931 he founded the Group for Investigation of Reactive Motion (GIRD), which developed the first Soviet liquid-fuelled rockets: the GIRD-9 and 10