Simon Wiesenthal (31 December 1908 – 20 September 2005) was an Austrian Holocaust survivor, Nazi hunter, and writer. He studied architecture, and was living in Lwów at the outbreak of World War II. He survived the Janowska concentration camp (late 1941 to September 1944), the Kraków-Płaszów concentration camp (September to October 1944), the Gross-Rosen concentration camp, a death march to Chemnitz, Buchenwald, and the Mauthausen concentration camp (February to May 1945).
After the war, Wiesenthal did not return to his original profession as an architect, instead dedicating his life to tracking down and gathering information on fugitive Nazi war criminals, so that they could be brought to trial. In 1947, he co-founded the Jewish Historical Documentation Centre in Linz, Austria, where he and others gathered information for future war crime trials and aided Jewish refugees in their search for lost relatives. In 1961, he resumed this activity in Vienna, where he opened the Documentation Centre of the Association of Jewish Victims of the Nazi Regime and continued to try locating missing Nazi war criminals.
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