Question: Who passed away first, Manfred von Richthofen or Cedric Popkin ?
Sentence (from "Richthofen (film)"): Richthofen (aka Richthofen, The Red Knight of the Air and Richthofen, The Red Ace of Germany) is a 1927 German silent war film directed by Desider Kertesz and Peter Joseph.
Relevant evidence: No