Question: Which astronaut was born first, Ulf Merbold or Vladimír Remek?

Context paragraphs:
Vladimír Zábrodský: Vladimír Olegovic Zábrodský (born March 7, 1923) is a retired Czechoslovak ice hockey player, who played centre.  He was born in Prague, Czechoslovakia.  He won a silver medal at the 1948 Winter Olympics and he is two-time world champion (1947, 1949).  He is a member of the International Ice Hockey Federation Hall of Fame, inducted in 1997.  He played in the Czechoslovak First Ice Hockey League for LTC Praha from 1940 to 1950, Spartak ČKD Sokolovo from 1950 to 1960, and Bohemians ČKD Praha from 1963 to 1965, collecting 306 goals.  He was also a tennis player and member of the Czechoslovakian Davis Cup team.

Hero of the Czechoslovak Socialist Republic: The title of the Hero of the Czechoslovak Republic was established 1955.  The name of the title was changed to Hero of the Czechoslovak Socialist Republic in 1960.  Awarded 31 times to some Czechoslovak war heroes, to the general and later president Ludvík Svoboda, to the Czechoslovak president Gustáv Husák, to the Czech cosmonaut Vladimír Remek, Soviet generals and marshals and to Leonid Brezhnev.  The piece no. 32 has been given to the National Museum.

Wale Adebanwi: Professor Wale Adebanwi, (born 1969), is a Nigerian - born first Black African Rhodes Professor at Oxford University

Oldřich Pelčák: Oldřich Pelčák (born November 2, 1943 in Zlín, Czechoslovakia) was a Czech cosmonaut and engineer.  He graduated from Gagarin Air Force Military Academy.  In 1976, Pelčák was selected as backup of Vladimír Remek for the Soyuz 28 mission.  They were the first cosmonauts who were neither Americans nor Soviets.

Vladimír Remek: Vladimír Remek (born 26 September 1948) is a Czech politician and diplomat as well as a former cosmonaut and military pilot.  He flew aboard Soyuz 28 from 2 to 10 March 1978, becoming the first Czechoslovak in space and the only Czech in space.  As the first cosmonaut from a country other than the Soviet Union or the United States, and with the entry of the Czech Republic into the European Union, Remek is considered to be the first astronaut from the European Union.  Remek was a member of the European Parliament between 2004 and 2013 and, since 2014, has been the Czech Ambassador to Russia.

Ulf Merbold: Dr. Ulf Dietrich Merbold (born June 20, 1941) is the first West German citizen and second German native (after Sigmund Jähn) to have flown in space.  He is also the first member of the European Space Agency Astronaut Corps to participate in a spaceflight mission and the first non-US citizen to reach orbit in a US spacecraft.  In 1983, he and Byron Lichtenberg became the first Payload Specialists to fly on the shuttle.

Byron K. Lichtenberg: Byron Kurt Lichtenberg, Sc.  D. (born February 19, 1948) is an American engineer and fighter pilot who flew aboard two NASA Space Shuttle missions as a Payload Specialist.  In 1983, he and Ulf Merbold became the first Payload Specialists to fly on the shuttle.

Augustine of Canterbury: Augustine of Canterbury (born first third of the 6th century – died probably 26 May 604) was a Catholic Benedictine monk who became the first Archbishop of Canterbury in the year 597.  He is considered the "Apostle to the English" and a founder of the Catholic Church in England.

Despoina: In Greek mythology, Despoina, Despoena or Despoine, was the daughter of Demeter and Poseidon and sister of Arion.  She was the goddess of mysteries of Arcadian cults worshipped under the title "Despoina", "the mistress" alongside her mother Demeter, one of the goddesses of the Eleusinian mysteries.  Her real name could not be revealed to anyone except those initiated to her mysteries.  Pausanias spoke of Demeter as having two daughters; Kore being born first, then later Despoina.  With Zeus being the father of Kore, and Poseidon as the father of Despoina.  Pausanias made it clear that Kore is Persephone, though he wouldn't reveal Despoina's proper name.

List of Lab Rats characters: "Lab Rats", also known as "Lab Rats: Bionic Island" for its fourth season, is an American television sitcom that premiered on February 27, 2012, on Disney XD.  It focuses on the life of teenager Leo Dooley, whose mother, Tasha, marries billionaire genius Donald Davenport.  He meets Adam, Bree, and Chase, three bionic superhumans, with whom he develops an immediate friendship.  It should be noted that the names of the Lab Rats imply that they were originally known as subjects A, B, C and D. Adam was born first, then Bree, then Chase, and finally Daniel.

Supporting paragraphs: Vladimír Remek Ulf Merbold
Answer: Ulf Dietrich Merbold