Valeri Polyakov

Valeri Vladimirovich Polyakov was a Soviet and Russian cosmonaut. He is the record holder for the longest single stay in space, staying aboard the Mir space station for more than 14 months during one trip. His combined space experience was more than 22 months.

Text from Wikipedia, CC BY-SA 4.0

Image: Министерство обороны Российской Федерации · CC BY 4.0