Eberhard Köllner (born 29 September 1939 in Stassfurt, Germany) was selected for Soyuz 31 as the backup for Sigmund Jähn.
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He later became the Director of the Airforce Academy of the German Democratic Republic in the rank of an Oberst ("Colonel"), following the reunion of Germany he refused to be transferred to the (West) German Bundeswehr.
Eberhard Schrader | Eberhard of Friuli | Eberhard Jäckel | Eberhard Esche | Martin Eberhard | Eberhard Zeidler | Eberhard von Gemmingen | Eberhard III, Duke of Württemberg | Eberhard II, Count of Württemberg | Eberhard I, Duke of Württemberg | Eberhard Faber | Eberhard Blum | Eberhard | Robert Eberhard Launitz | Eberhard Wolfgang Möller | Eberhard Vogel | Eberhard van der Laan | Eberhard IV "the Younger" | Eberhard III | Eberhard II | Eberhard I, Count of Württemberg | Eberhard I, Count of Bonngau | Eberhard Hopf | Eberhard Carl | Eberhard Burger | Eberhard Bodenschatz | August Eberhard Müller |