Astronauts, Astronomers, Astrophysicists Yuri Gagarin: The first Man in Space PDF By pdfbiograph.com On: Sunday, April 28, 2024 7:48 AM Yuri Gagarin was a Soviet(now Russia) Pilot and Cosmonaut who became the 1st human in Space at 1961 . Yuri Gagarin: The first Man in Space