In 1933 , Wiener fled Germany for Amsterdam , where he operated the Jewish Central Information Office ( JCIO ) . became its president . Cohen was a prominent Dutch Jew who founded the Committee for Jewish Refugees at the same time ; the Committee used the work of the JCIO for its publications , and provided some financial support to the JCIO . After '' Kristallnacht '' in November 1938 , Wiener and the JCIO archives moved to Britain . The collection opened in London on 1 September 1939 , the day of the Nazi invasion of Poland . In London , the Jewish Central Information Office functioned as a private intelligence service . Wiener was paid by the British government to keep Britain informed of developments in Germany
Kristallnacht
Kristallnacht
Wiener Library for the Study of the Holocaust and Genocide