Source: wikibot/sergei-korolev
= Sergei Korolev
{wiki=Sergei_Korolev}
Sergei Korolev (1907–1966) was a prominent Soviet rocket engineer and spacecraft designer, often referred to as the "chief designer" of the Soviet space program. He played a pivotal role in the development of the first human-made satellite, Sputnik 1, which was launched in 1957, marking the beginning of the space age.