Mirosław Hermaszewski

Mirosław Hermaszewski (born September 15, 1941) is a retired Polish Air Force officer and cosmonaut. He became the first (and to this day remains the only) Polish national in space, when he flew aboard the Soviet Soyuz 30 spacecraft in 1978. https://en.wikipedia.org/wiki/Miros%C5%82aw_Hermaszewski