Franz Erdmann Mehring was a German communist historian, literary and art critic, philosopher, and revolutionary socialist politician who was a senior member of the Spartacus League during the German R
Mehring c. 1915
Mehring (second row, center) among participants of the Reich Conference of the Spartacus League, 1 January 1916
Karl Paul August Friedrich Liebknecht was a German socialist politician and revolutionary. A leader of the far-left wing of the Social Democratic Party of Germany, Liebknecht was a co-founder of both
Liebknecht in the 1910s
Hugo Haase in 1905
Liebknecht c. 1911
Sophie and Karl Liebknecht with the children from his first marriage