1. Otto Landsberg was a German jurist, politician and diplomat.

1. Otto Landsberg was a German jurist, politician and diplomat.
Otto Landsberg repeatedly demanded domestic reforms, including democratisation and changes to the election laws of Prussia and the Reich.
Together with Friedrich Ebert Otto Landsberg fought for parliamentary democracy and a national assembly, opposing a Soviet system and left-wing uprisings.
Otto Landsberg strongly supported Upper Silesia remaining a part of the Reich.
On 19 January 1919, Otto Landsberg was elected to the Weimar National Assembly for Magdeburg and Anhalt.
Otto Landsberg was a member of the German delegation that went to Versailles to receive the Allies' demands in the form of the Treaty of Versailles.
Otto Landsberg opposed signing the Treaty and resigned over the issue, with the other ministers of the cabinet, on 20 June 1919.
Otto Landsberg refused to participate in the vote on the Treaty in the National Assembly.
Otto Landsberg was a member of the Reichstag from 1924 to 1933.
In 1933, Otto Landsberg emigrated first to Czechoslovakia and Belgium, later to the Netherlands.
Otto Landsberg remained in the Netherlands after the end of the Nazi regime in 1945 and died on 9 December 1957 in Baarn.