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. Jean-Loup Chrétien: Jean-Loup Jacques Marie Chrétien (born 20 August 1938) is a French retired "Général de Brigade" (brigadier general) in the "Armée de l'Air" (French air force), and a former CNES spationaut.
Jean-Loup Jacques Marie Chrétien