Hermann Heller (1891-1933) was a German-Austrian legal scholar and philosopher active in the non-Marxist wing of the German Social Democratic Party (SPD) during the Weimar Republic. He attempted to formulate the theoretical foundations of the social-democratic relations to the state, and nationalism. 1891 was a common year starting on Thursday (see link for calendar). ... 1933 was a common year starting on Sunday (link will take you to calendar). ... The Social Democratic Party of Germany (SPD – Sozialdemokratische Partei Deutschlands) is the second oldest political party of Germany still in existence and also one of the oldest and largest in the world, celebrating its 140th anniversary in 2003. ... The period of German history from 1919 to 1933 is known as the Weimar Republic (Pronounced Vy-mahr, and in German it is known as the Weimarer Republik). It is named after the city of Weimar, where a national assembly convened to produce a new constitution after the German monarchy...

In his short life, he was involved in a number of political debates and controversies, most notably with Hans Kelsen, Carl Schmitt and Max Adler. In short, Heller's theories are a reinterpretation of Hegelian social theory, calling for the integration of the working class in the social, cultural and political structures of the nation-state. Hans Kelsen Hans Kelsen (Prague, October 11, 1881 – April 19, 1973) was an Austrian -American jurist of Jewish descent. ... Carl Schmitt Carl Schmitt (July 11, 1888 - April 7, 1985) was a controversial German catholic intellectual and legal theoretician with ties to the Nazi ideology and party. ...

Recently, there is a renewed interest in Heller's work, especially in Germany. Unfortunately, very little of his work has been translated in English, although his views have been influential in both Japan and the Spanish-speaking world.

Hermann Heller was forced to go into exile in 1933 and died in Madrid in the same year, leaving his Magnum Opus, the Staatslehre, unfinished. Plaza de Cibeles (Cibeles square) and the Palacio de Comunicaciones (Communications Palace) Coat of arms. ...