Sergey Volkov

Sergey Aleksandrovich Volkov is a retired Russian cosmonaut and engineer. He was a member of three missions to the International Space Station, spending more than a year in total in space. During his missions he did four spacewalks lasting more than 23 hours in total. Volkov retired from the cosmonaut group in February 2017.

Texto de Wikipedia, CC BY-SA 4.0

Imagen: NASA · Public domain