Question: Who is older, astronaut Klaus-Dietrich Flade or astrophysicist Dirk Frimout?
Sentence (from "Asteroid Day"): Over 200 astronauts, scientists, technologists and artists, including Richard Dawkins, Bill Nye, Peter Gabriel, Jim Lovell, Apollo 11 Astronaut Michael Collins, Alexei Leonov, Bill Anders, Kip Thorne, Lord Martin Rees, Chris Hadfield, Rusty Schweickart and Brian Cox co-signed the Asteroid Day Declaration.
Relevant evidence: No