Leon Grossvogel (born 27 November 1904 in Łódź; likely died 1944-1945) was a Polish-French Jewish businessman, Comintern official, resistance fighter, communist agitator and one of the organizers of a Soviet intelligence network in Belgium and France, that was later called the Red Orchestra ("Rote Kapelle") by the Abwehr. Grossvogel used the following code names to disguise his identity: Pieper, Grosser, and Andre. In the autumn of 1938, Grossvogel became associated with Leopold Trepper, a Soviet intelligence agent who would later run a large espionage network in Europe. Grossvogel established two cover companies, the Foreign Excellent Raincoat Company and later Simexco that would be used by Trepper as a cover and funding for his espionage network. Grossvogel who organised funding for the