Who was born first, Mirosław Hermaszewski or Jean-Loup Chrétien?
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.
Jean, duc Decazes Jean-Élie-Octave-Louis-Sévère-Amanien Decazes de Glücksburg, 3rd Duc Decazes and 3rd Hertig af Glücksbierg (April 30, 1864 – August 31, 1912) was a French aristocrat and sportsman.