
During the mid-1930s up until 1942, a Polish-Jewish communist named Trepper managed a group of Soviet spies spread across Western Europe, which the Germans referred to as the Red Orchestra. However, he was captured by the Gestapo in 1942 and subsequently managed to escape. Upon returning to Moscow after the war, Trepper found himself out of favor and spent the next ten years behind bars. After his release, he took charge of Poland’s Jewish community for several years but faced persecution and was refused permission to relocate to Israel.
Or, in a more conversational style:
Trepper, a Polish-Jewish communist, had a network of Soviet spies all over Western Europe during the 1930s until 1942. The Germans called them the Red Orchestra. Unfortunately, he was caught by the Gestapo in 1942 but managed to escape. After the war, he went back to Moscow where things didn’t go so well for him, and he spent a decade in prison. Later on, he became the leader of Poland’s Jewish community for some time, but faced persecution and was prevented from moving to Israel.