Which nationality is shared by Jean-Jacques Favier and Jean-Loup Chrétien?
Jean-Jacques Favier Jean-Jacques Favier (Born April 13, 1949) is a French engineer and a former CNES astronaut who flew aboard the STS-78 NASA Space Shuttle mission. Favier was due to fly aboard the Columbia mission in 2003, but later signed out of the mission.
Jean Giraud (mathematician) Jean Giraud (] ; 2 February 1936 – 27 or 28 March 2007) was a French mathematician, a student of Alexander Grothendieck and the author of the book "Cohomologie non-abélienne" (Springer, 1971).