Lev Stepanovich Dyomin
11 January 1926
|Died||18 December 1998 (aged 72)|
Zvyozdny Gorodok, Russia
|Awards||Hero of the Soviet Union|
|Rank||Colonel, Soviet Air Force|
Time in space
|2d 00h 12m|
|Selection||Air Force Group 2|
Lev Stepanovich Dyomin (Russian: Лев Степанович Дёмин; 11 January 1926 – 18 December 1998) 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.
Aged 48 at the time of his flight on Soyuz 15, he was the oldest cosmonaut up to that point as well as the first grandfather to go into space. He remained in the program until leaving in 1982 to pursue deep-sea research. Dyomin died of cancer, in Zvyozdny Gorodok, in 1998.
He was awarded: