https://gruntworksmedia.com/2017/05/02/the-history-of-antifa-and-why-that-is-important-today/
https://www.jacobinmag.com/2017/05/antifascist-movements-hitler-nazis-kpd-spd-germany-cold-war
These groups, oftentimes launched from the aforementioned housing estates, were generally called “Antifaschistische Ausschüsse,” “Antifaschistische Kommittees,” or the now famous “Antifaschistische Aktion” – “Antifa” for short. They drew on the slogans and orientation of the prewar united front strategy, adopting the word “Antifa” from a last-ditch attempt to establish a cross-party alliance between Communist and Social Democratic workers in 1932. The alliance’s iconic logo, devised by Association of Revolutionary Visual Artists members Max Keilson and Max Gebhard, has been since become one of the Left’s most well-known symbols.