Question: Who went to space first, Sigmund Jähn or Christer Fuglesang?

Context paragraphs:
Pierre J. Thuot: Pierre Joseph Thuot ( ; born May 19, 1955) is a retired United States Navy Captain and NASA astronaut.  He went into space three times, spending over 650 hours in space, including over 15 hours in three space walks.  He is a former U.S. record holder for time spent on one space walk, and participated in the first three-person space walk.

Eberhard Köllner: Eberhard Köllner (born 29 September 1939 in Stassfurt, Germany) was selected for Soyuz 31 as the backup for Sigmund Jähn.

Sigmund Jähn: Sigmund Werner Paul Jähn (born 13 February 1937) is a German cosmonaut and pilot, who in 1978 became the first East German (and German native) to fly in space as part of the Soviet Union's Interkosmos programme.

Stefan Walz: Stefan Walz (born 1963) is a Swiss actor.  His best known role is as Sigmund Jähn in the film "Good Bye, Lenin! ".

Tonnetz: In musical tuning and harmony, the Tonnetz (German: "tone-network" ) is a conceptual lattice diagram representing tonal space first described by Leonhard Euler in 1739.  Various visual representations of the "Tonnetz" can be used to show traditional harmonic relationships in European classical music.

OSA-UCS: In colorimetry the OSA-UCS (Optical Society of America Uniform Color Space) is a color space first published in 1947 and developed by the Optical Society of America’s Committee on Uniform Color Scales.  Previously created color order systems, such as the Munsell color system, failed to represent perceptual uniformity in all directions.  The committee decided that, in order to accurately represent uniform color differences in each direction, a new shape of three dimensional cartesian geometry would need to be used.

Irina Solovyova: Irina Bayanovna Solovyova (Russian: Ирина Баяновна Соловьева ) (born September 6, 1937) was one of the five women chosen in the female group, now a retired Soviet cosmonaut.  She never flew into space, but was chosen as the backup to Valentina Tereshkova, the first woman in space via Vostok 6 in June, 1963.  Solovyova was also chosen to fly on Voskhod 5, in which she would have become the first woman to walk in space (that honor went to Svetlana Savitskaya in 1984), but the Voskhod program was canceled after Voskhod 2 in favor of the Soyuz program.

Breathing Your Love: "Breathing Your Love" is a song by the Swedish singer Darin featuring vocals by singer Kat DeLuna and the first single from "Flashback".  The song co-written by Darin with RedOne, Bilal Hajji and Novel was released to radio stations and as a digital download in Sweden on 8 October 2008.  The single was released in Finland and is also the first single from Darin to be released in the United Kingdom in January 2010.  In October 2009 Swedish astronaut Christer Fuglesang took 2 copies of the single into space with him, as his daughter is a Darin fan, a photo of the disc can be seen with earth in the distance can be found on the official Darin website.

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.

Christer Fuglesang: Arne Christer Fuglesang (] ) (born March 18, 1957 in Stockholm) is a Swedish physicist and an ESA astronaut.  He was first launched aboard the STS-116 Space Shuttle mission on December 10, 2006, at 01:47 GMT, making him the first Swedish citizen in space.

Supporting paragraphs: Sigmund Jähn Christer Fuglesang
Answer: Sigmund Werner Paul Jähn