Lev Dyomin, Russian colonel, pilot, and astronaut (born 1926)

Lev Dyomin

Soviet cosmonaut (1926–1998)

Lev Stepanovich Dyomin was a Soviet cosmonaut who flew on the Soyuz 15 spaceflight in 1974. This spaceflight was intended to dock with the space station Salyut 3, but the docking failed.