Leonas Bogdanavichus was sent to the Vorkuta Gulag, one of the largest and deadliest in the Soviet Union, as a prisoner, after hiding a Jewish couple in his café in Kaunas, Lithuania.
BBC: A family’s destiny in one of Russia’s largest Gulags
Millions of Soviet citizens were executed by secret police or died in forced agricultural collectivisation and Gulag labour camps during Stalin's rule from the 1920s until his death in 1953.