Valerij Poljakov

Valerij Poljakov is a retired Russian cosmonaut known for holding the world record for the longest single spaceflight, spending 437 consecutive days aboard the Mir space station from 1994 to 1995. His extensive experience in spaceflight has made significant contributions to our understanding of long-duration human space travel, particularly in the areas of human physiology and the psychological effects of extended missions. Over his career, Poljakov completed multiple spaceflights and conducted numerous scientific experiments, enhancing our knowledge of life in space.