Arnold Suppan (born 18 August 1945 in St. Veit an der Glan) is an Austrian historian who studies Eastern Europe in the twentieth century. He is a faculty member at Andrássy University Budapest and University of Vienna. He was secretary-general of the Austrian Academy of Sciences from 2009-2011 and vice president from 2011-2013. He was director of the Institute for Eastern European History at the University of Vienna since 2002.
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