What German ace-of-aces was shot down by Cedric Bassett Popkin during World War 1?
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.
Olaus Johnsen Olaus Charles Wilhelm Johnsen {'1': ", '2': ", '3': ", '4': "} (25 October 1889 – 20 April 1960) was a British flying ace of the First World War credited with five aerial victories.