Russian Valery Polyakov, who holds record for longest space mission, dead at 80

Valery Polyakov, the Russian cosmonaut whose 437 days aboard the Mir space station set the record for the longest single stay in space, has died at age 80, Russia's space agency announced Monday.

source https://www.cbc.ca/news/science/valery-polyakov-cosmonaut-dies-1.6588308?cmp=rss