New research has uncovered the collaboration between Nazi art thieves and Dirk Hannema, director of the Boijmans Museum in Rotterdam to create a clearinghouse for the sale of paintings looted from Jewish owners. “He collaborated with the Germans and he knew what he was doing,†says Sjarel Ex, the current director of the museum. “His decision was that it was worthwhile to work with them because he knew that he could have more influence and power with the people who were reigning instead of being a refugee or going into hiding or living on the outskirts.â€
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