Question: Which astronaut is older, Philippe Perrin or Claude Nicollier?
Context: Philippe Volter (23 March 1959 – 13 April 2005) was a Belgian actor and director.  Born Philippe Wolter to theatre director Claude Volter and his wife, actress Jacqueline Bir, young Philippe began his career in Brussels in 1985. NASA Astronaut Group 9 was announced on May 29, 1980, and completed their training by 1981.  This group, composed of 19 candidates, was selected to supplement the 35 astronauts that had been selected in 1978, and marked the first time that non-Americans were trained as mission specialists with the selections of ESA astronauts Claude Nicollier and Wubbo Ockels.  In keeping with the previous group, astronaut candidates were divided into pilots and mission specialists, with eight pilots, eleven mission specialists, and two international mission specialists within the group. Philippe Perrin, (La Tronche, 10 August 1964) is a French artist and contemporary photographer who lives and works in Paris. The Desert of the Tartars (Italian: "Il deserto dei Tartari" ) is a 1976 Italian film by director Valerio Zurlini with an international cast, including Jacques Perrin, Vittorio Gassman, Max von Sydow, Francisco Rabal, Helmut Griem, Giuliano Gemma, Philippe Noiret, Fernando Rey, and Jean-Louis Trintignant.  The cast also included Iranian film veteran actor Mohammad-Ali Keshavarz. Claude de Longwy de Givry (1481–1561) was a French bishop and Cardinal, from an aristocratic background.  He was the son of Philippe de Longuy, Seigneur de Givry and Jeanne de Beautremont, Dame de Mirabeau.  He had four brothers: Jean de Longuy, Sieur de Givry and Baron de Mirabeau (who married Jeanne d'Orleans, natural sister of King Francis I), Christophe de Longuy, Antoine de Longuy, and Étienne de Longuy.  Claude's aunt Jeanne had married Guy de la Baume, Count de Montrevel, and one of their sons was Cardinal Pierre de la Baume (1539-1544), Prince and Bishop of Geneva (1522-1543). On a volé la cuisse de Jupiter (literally "Jupiter's thigh was stolen") is a French movie released in 1980, starring Annie Girardot, Philippe Noiret and Francis Perrin, and directed by Philippe de Broca.  It is a sequel to the 1978 crime film in which both Girardot and Noiret reprise their roles as Lise Tanquerelle and Antoine Lemercier respectively. Cinema Paradiso (Italian: Nuovo Cinema Paradiso , ] , "New Paradise Cinema") is a 1988 Italian drama film written and directed by Giuseppe Tornatore.  The film stars Jacques Perrin, Philippe Noiret, Leopoldo Trieste, Marco Leonardi, Agnese Nano and Salvatore Cascio, and was produced by Franco Cristaldi and Giovanna Romagnoli, while the music score was composed by Ennio Morricone along with his son, Andrea.  It won the Academy Award for Best Foreign Language Film at the 62nd Academy Awards. Philippe Perrin (Colonel, French Air Force) (born January 6, 1963) is a French test pilot and former CNES and European Space Agency astronaut. Philippe I, Duke of Orléans (21 September 1640 – 9 June 1701) was the younger son of Louis XIII of France and his wife, Anne of Austria.  His older brother was Louis XIV, "le Roi Soleil".  Styled Duke of Anjou from birth, Philippe became Duke of Orléans upon the death of his uncle Gaston in 1660.  In 1661, Philippe also received the dukedoms of Valois and Chartres.  Following Philippe's victory in battle in 1671, Louis XIV added the dukedom of Nemours, the marquisates of Coucy and Folembray, and the countships of Dourdan and Romorantin.  During the reign of his brother he was known simply as "Monsieur", the traditional style at the court of France for the younger brother of the king. Claude Nicollier (born 2 September 1944 in Vevey, Switzerland) is the first astronaut from Switzerland.  He has flown on four Space Shuttle missions.  His first spaceflight (STS-46) was in 1992, and his final spaceflight (STS-103) was in 1999.  He took part in two servicing missions to the Hubble Space Telescope (called STS-61 and STS-103).  During his final spaceflight he participated in a spacewalk, becoming the first European Space Agency astronaut to do so during a Space Shuttle mission (previous ESA astronauts conducted spacewalks aboard "Mir", see List of spacewalks and moonwalks 1965–1999).  In 2000 he was assigned to the Astronaut Office Extravehicular Activity Branch, while maintaining a position as Lead ESA Astronaut in Houston.  Nicollier retired from ESA in April 2007.
Answer: Claude Nicollier