Jean-Jacques Favier and Klaus-Dietrich Flade, both flew in space as which occupation ?
Klaus-Dietrich Flade Klaus-Dietrich Flade (born August 23, 1952) is a German pilot and former German Aerospace Center astronaut who visited the Mir space station in 1992 aboard the Soyuz TM-14 mission, returning to Earth a week later aboard Soyuz TM-13.
Jacques Villiers Jacques Villiers (26 August 1924 – 13 March 2012) was a French aerospace engineer and public servant. He was the founder of the Centre d'études de la navigation aérienne (French air navigation center) and co-founder of the CAUTRA system ("Système de contrôle automatisé du trafic aérien " – automated air traffic control system), the computer system of the French air traffic management.