Jan Appel (pseudonyms: Max Hempel, Jan Arndt, Jan Voß; 1890, Mecklenburg – 4 May 1985, Maastricht) was a German revolutionary who participated in the German Revolution. He became a prominent Left Communist activist and theorist.
Read more about Jan Appel: Early Life, The German Revolution, Involvement in KPD and KAPD, Active in The Netherlands