Ernst Hirsch, born in Aachen, Germany, 1916, known as Willy; details regarding his activities in the French Jewish underground during World War II Disintegration of his family; move to the Netherlands, 1933 or 1934; life in the Netherlands including activities in the Zionist Youth Federation; maintains contact with the Hechalutz movement; joins the Zionist underground, late 1942 or 1943; transfer of members from the Netherlands to Belgium and France; activities as liaison with the French Jewish underground in Toulouse; arrest in Paris, April 1944; life in a German prison including being identified as a Jew; deportation to Drancy; transfer to Buchenwald, August 1944; his death in Bergen-Belsen, April 1945. In the file: - Photograph of Ernst Hirsch; - Excerpts from texts.