Question: Who is older, astronaut Klaus-Dietrich Flade or astrophysicist Dirk Frimout?
Sentence (from "Dirk Frimout"): Dirk Dries David Damiaan, Viscount Frimout (born 21 March 1941 in Poperinge, Belgium) is an astrophysicist for the European Space Agency.
Relevant evidence: Yes