Question: Are both Thomas Reiter and Sigmund Jähn astronauts?
Sentence (from "Thomas Reiter"): Thomas Arthur Reiter (born 23 May 1958 in Frankfurt, West Germany) is a retired European astronaut and is a Brigadier General in the German Air Force currently working as ESA Interagency Coordinator and Advisor to the Director General at the European Space Agency (ESA).
Relevant evidence: Yes