Aleksandr Klimuk

Aleksandr Klimuk is most likely the Belarusian Soviet cosmonaut Pyotr Ilyich Klimuk, who was born in 1942 in Komarovka, Brest region, and became a Soviet test pilot and cosmonaut. He flew on three space missions, spent 78.76 days in space, and later authored books including "Beside the Stars" and "Attack on Weightlessness".[1][8][9][10][15]