Its members were executed for setting fire to Das Sowjetparadies (The Soviet Paradise), an anti-Soviet exhibit in Berlin's Lustgarten.
[2] Through his connections, Baum organized a group of like-minded individuals to undertake anti-Nazi activities.
[4] Herbert and Marianne Baum were ordered into forced labor at the Jewish department of the Siemens electric motors factory where they continued to recruit members.
[2] The Baum Group printed and distributed anti-Nazi literature and planned resistance activities and initiatives.
Because Jews had limited access to typewriters at the time, non-Jewish members secretly typed materials while at work.