Which of the two European Space Agency astronauts, Jean-François Clervoy and Thomas Reiter, has participated in missions with NASA?
Jean-François Clervoy: Jean-François André Clervoy (born 19 November 1958) is a French engineer and a CNES and ESA astronaut. Jean-François Clervoy:  He is a veteran of three NASA Space Shuttle missions.
i don't know