Who was born earlier, Franz Viehböck or Jean-François Clervoy?
Jean-François Clervoy Jean-François André Clervoy (born 19 November 1958) is a French engineer and a CNES and ESA astronaut. He is a veteran of three NASA Space Shuttle missions.
Jean-François Le Sueur Jean-François Le Sueur (or Lesueur; ] ) (15 February 17606 October 1837) was a French composer, best known for his oratorios and operas.