Which person flew into space first, Ivan Bella or 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.
Eugen Jahnke Paul Rudolf Eugen Jahnke (born November 30, 1861 in Berlin, died October 18, 1921 in Berlin ) was a German mathematician.