Who passed away first, Manfred von Richthofen or Cedric Popkin ?
Cedric Popkin Cedric Bassett Popkin (Born 20 June 1890, died 26 January 1968) is considered the person most likely to have killed German ace Manfred von Richthofen — also known as the "Red Baron" — on 21 April 1918. Popkin was an anti-aircraft (AA) machine gunner with the First Australian Imperial Force (AIF), during World War I.
Kostja Zetkin Konstantin "Kostja" Zetkin (14 April 1885 - September 1980) was a German physician, and political activist.