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.
Claude-François Clicquot Claude-François Clicquot (1762 – 29 March 1801) was a French organ-builder, son of the celebrated François-Henri Clicquot.