Which nationality is shared by Jean-Jacques Favier and Jean-Loup Chrétien?
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.
i don't know