Heinrich Scheel was a German left-wing historian and longtime vice president of the East German Academy of Sciences and professor of modern history at Humboldt University of Berlin. Scheel was notable for putting forward a theory of the German radical at the time of the French revolution, in an attempt to determine an alternative tradition in Germany. Scheel was most notable for being a German resistance fighter against the Nazi regime, during World War II. He was a member of a Berlin-based anti-fascist resistance group that was later called the Red Orchestra by the Abwehr, during the Nazi regime.

Kurt Schumacher was a German sculptor and Communist member of the German Resistance fighter who was a member of the anti-fascist resistance group that was later called the Red Orchestra by the Gestapo. He was married to the painter and graphic designer, Elisabeth Schumacher who was also an anti-fascist.