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.
Peter Roh Peter Roh (born at Conthey (Gunthis) in the canton of Valais, Switzerland, 14 August 1811; d. at Bonn, Germany, 17 May 1872) was a Swiss Jesuit preacher.