Question: Which astronaut was born first; Jean-Loup Chrétien or Lodewijk van den Berg?
Context: Wilhelmina Catharina Maria Martina "Wilma" van Gool (née van den Berg on 11 August 1947, commonly known as Wilma van den Berg) is a retired sprinter from the Netherlands.  In 1969–1970 she won two European medals and two medals at the 1970 Summer Universiade in various individual sprint events.  She competed at the 1968 and 1972 Summer Olympics in the 100 m and 200 m sprint and 4 × 100 m relay and finished in fourth place in the relay in 1968; individually, she failed to reach the finals. Cássio van den Berg (born 1971) is a Brazilian botanist.  He is noted for work in orchid classification and evolution, especially great changes in the generic circumscriptions of ornamental orchids in the genus "Cattleya", based on DNA studies for the subtribe Laeliinae.  Based on this studies, he proposed a fusion of the genera "Cattleya", "Laelia" (only Brazilian species), and "Sophronitis".  In Laeliinae, the studies pointed out to the separation of subtribe Ponerinae, and the transfer of "Dilomilis" and "Neocogniauxia" to Pleurothallidinae.  He also worked in the taxonomy of other orchid genera, such as "Acianthera", "Baptistonia", "Bulbophyllum", "Cymbidium", "Encyclia", "Galeandra", "Isabelia" and "Pleione".  In 2004, he described a new genus of Laeliinae, "Adamantinia" Van den Berg & C.N.Gonç.  Currently he is full professor and curator of the Laboratory of Plant Molecular Systematics. Vincent van den Berg (born 19 January 1989,) is a Dutch footballer, who can play as a Forward in the roles of a midfielder, winger or striker.  Van Den Berg has featured for clubs Arsenal, Go Ahead Eagles as well as FC Zwolle in his footballing career.  He as of current plays for Tweede Divisie side Excelsior Maassluis. The Hendrik J. and Wilhelmina H. Van Den Berg Cottage is an historic building located in Pella, Iowa, United States.  During the 1840s and the 1850s immigrants moved to Iowa from the Netherlands to escape religious persecution.  Hendrik J. Van den Berg was one such person.  He built this home in two phases, 1862 and 1880.  It exemplifies the first generation of houses built in Pella and exhibits architectural influences of the Netherlands.  It is one of only a few such structures that still remain in the town.  The house was listed on the National Register of Historic Places in 2003. Albert Jan van den Berg (born 14 June 1949 in Amsterdam) is a founding partner of Hanotiau & van den Berg in Brussels (since 2001), a Emeritus Professor of Law at the Erasmus University, Rotterdam, a visiting Professor at Georgetown University Law Center, Washington DC and at the University of Tsinghua School of Law, Beijing and a member of the Advisory Board and Faculty of the Geneva Master of Laws in International Dispute Settlement (MIDS), Geneva. Jacob Ralph "Jacq" van den Berg (December 19, 1916, Birmingham) is a sailor from the Netherlands, who represented his country at the 1960 Summer Olympics in Naples.  Van den Berg, as crew on the Dutch Dragon took the 13th place with helmsman Wim van Duyl and fellow crew member Biem Dudok van Heel. Lodewijk Willem Christiaan van den Berg (October 19, 1845 – March 2, 1927), or more commonly known as L.W.C. van den Berg, was a Dutch oriental scholar in the Dutch colonial era famous with his research on Arab Indonesians of Hadhrami descent, which was the first detailed research of its kind in the world at the time. Jean-Loup Jacques Marie Chrétien (born 20 August 1938) is a French retired "Général de Brigade" (brigadier general) in the "Armée de l'Air" (French air force), and a former CNES spationaut.  He flew on two Franco-Soviet space missions and a NASA Space Shuttle mission.  Chrétien was the first Frenchman and the first western European in space. Lodewijk van den Berg (] ; born March 24, 1932) is a Dutch American chemical engineer, specializing in crystal growth, who flew on a 1985 Space Shuttle "Challenger" mission as a Payload Specialist. Gert van den Berg, Gert van den Bergh or Gerrit van den Berg may refer to:
Answer: Lodewijk van den Berg