Gagarin Yuri Alekseyevich

Related to Gagarin Yuri Alekseyevich: First man in space

Ga·ga·rin

G0006600 (gə-gär′ĭn), Yuri Alekseyevich 1934-1968. Soviet cosmonaut. In 1961 he became the first person to travel in space. He was killed during a routine aircraft training mission.