| First name and last name | Sigmund Jahn |
| Date of birth | 13.02.1937 |
| Date of death | 21.09.2019 |
| Nationality | DEU |
| Space Agency | Russian Federal Space Agency (ROSCOSMOS) (RFSA) |
| Status | Dead |
| Type of astronaut | Government agency |
| Wikipedia | https://en.wikipedia.org/wiki/Sigmund_J%C3%A4hn |
Soyuz 31
Sigmund Werner Paul Jähn (born 13 February 1937) is a German cosmonaut and pilot, who in 1978 became the first German to fly in space as part of the Soviet Union's Interkosmos programme.