During the Second World War, Polish diplomats in the Swiss capital of Bern cooperated with the Jewish community to carry out the so-called passport campaign aimed at saving Jews from the Holocaust. Aleksander Ładoś, Konstanty Rokicki, Abraham Silberschein, Chaim Eiss, Stefan Ryniewicz and Juliusz Kühl, also known as the Ładoś Group, issued false passports and citizenship certificates of Latin American countries to Jews threatened with extermination. These documents allowed their bearers to be interned and then exchanged for German prisoners of war and saved them by giving them a chance to avoid transport to death camps.

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Read about the research program which aims to reconstruct the list of people who may have acquired one of the forged documents, and to determine the fate of each person: