Friedrich Ebert
Friedrich Ebert (; 4 February 1871 28 February 1925) was a German politician of the Social Democratic Party of Germany (SPD) and the first President of Germany from 1919 until his death in office in 1925.
Karl Renner
Karl Renner (14 December 1870 – 31 December 1950) was an Austrian politician of the Socialist Party. He is often referred to as the "Father of the Republic" because he led the first government of German-Austria and the First Austrian Republic in 1919 and 1920, and was once again decisive in establishing the present Second Republic after the fall of Nazi Germany in 1945, becoming its first President after World War II (and fourth overall).