他曾是一个开挖金矿的苦役犯。他在监狱里研制了著名的“喀秋莎”火箭炮。他为苏联设计了第一颗人造地球卫星、第一艘载人宇宙飞船、第一枚洲际弹道导弹、第一个月球探测器、第一个金星探测器、第一个火星探测器和第一次太空行走等。他功绩卓著,生前却默默无闻。他就是谢尔盖·帕夫洛维奇·科罗廖夫,苏联著名的火箭和航天系统专家。 He used to be a hardcore criminal to dig gold. He developed the famous Katyusha rockets in prison. He designed the first artificial Earth satellite for the Soviet Union, the first manned spacecraft, the first ICBM, the first lunar probe, the first Venus probe, the first Mars probe and the first Space travel and so on. He distinguished himself, but unknown before his death. He is Sergei Pavlovich Korolev, the famous Soviet rocket and space system expert.