Joachim Yahin Simon, born in Berlin, Germany, 1919, known as Schouchou; details regarding his activities in the French Jewish underground during World War II Dror-Habonim and Hashomer Hatzair membership; arrest on Kristallnacht; deportation to Buchenwald; release from the camp; escape to the Netherlands, 1939; life in an aliya training facility in the Netherlands; escape to the Hechalutz main offices in Amsterdam, May 1940; replaces a courier who was arrested; increase in restrictions on the Jews; searches with movement members for an escape route to Switzerland or other places; taken captive at the Belgian border, 25 January 1943; transfer to a prison in Breda; interrogation and torture by the Germans; suicide, 27 January 1943. In the file: - Photograph of Joachim Yahin Simon; - Testimonies; - Excerpts from a book.