Robert Dißmann (8 August 1878–30 October 1926) belonged to the generation of the German labour movement’s golden age in the Wilhelminian Reich. In 1900, just 22 years old, he became a local secretary of the Deutscher Metallarbeiterverband in Barmen and remained a full-time official in the workers’ movement until his death. In 1905 he moved to the much more important Frankfurt, but just three years later switched to a party position, first as local secretary in Hanau, one of the strongholds of the radical left, and in 1912 to the regional secretariat for the Rhein-Main area. Consequently he became involved in the anti-war opposition from the outset. Even although he kept close contact with Rosa Luxemburg from 1913 onwards, Dißmann tended tow...