About Lev Dyomin
Lived 1926 – 1998 (aged 72). Lev Dyomin was a Russian engineer, astronaut, aircraft pilot, philatelist and aviator.
Biography Dyomin was born in Moscow. He gained a doctoral degree in engineering from the Soviet Air Force Engineering Academy and the rank of Colonel in the Soviet Air Force.
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: Hero of the Soviet Union Pilot-Cosmonaut of the USSR Order of Lenin Order of the Red Banner of Labour Medal "For Battle Merit" Medal "For the Development of Virgin Lands" Order of the Banner of the People's Republic of Bulgaria
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Important facts
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Contemporaries
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Frequently asked questions
Who was Lev Dyomin?
Soviet cosmonaut (1926–1998)
When was Lev Dyomin born?
Lev Dyomin was born on 11 January 1926 in Moscow.
When did Lev Dyomin die?
Lev Dyomin died on 18 December 1998 in Zvyozdny Gorodok.
What was Lev Dyomin's occupation?
Lev Dyomin was an engineer, astronaut, aircraft pilot, philatelist and aviator.
What nationality was Lev Dyomin?
Lev Dyomin was Russian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Lev Dyomin. https://biography.guide/lev-dyomin/
MLA: "Lev Dyomin." Biography.guide, https://biography.guide/lev-dyomin/.
Chicago: "Lev Dyomin." Biography.guide. https://biography.guide/lev-dyomin/.
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