A major political, historical, human and economic fact of the 20th century, the Gulag, the extremely punitive Soviet concentration camp system, remains largely unknown. Florence Pernel, Iouri Fidelgoltz, Elena Markova, Ionna Moureikene, Olga Adamova-Sliozberg, Alexeï Priadilov, Susanna Petchouro Added on Amazon Prime 2022-03-06.