Ernst Knaack

Ernst Knaack (4 November 1914 - 28 August 1944) was a German Communist and resistance fighter against the Nazi Germany régime.

He performed the function of leader for agitation and propaganda in the Berlin neighbourhood of Prenzlauer Berg.

In 1935, he was arrested for the first time, and on 2 October 1936, the Berlin Superior Court of Justice (Kammergericht) sentenced him to two years at hard labour in a Zuchthaus.

On 26 March 1942, he was once again arrested by the Gestapo and taken to Sachsenhausen concentration camp, where he stayed more than two years until his trial.

The stele "Traditionen der deutschen Arbeiterklasse" ("Traditions of the German Working Class") by Heinz Worner (Knaackstraße 53–67 in Prenzlauer Berg) is dedicated to the murdered antifascists Ernst Knaack and Siegmund Sredzki.