(FILES) This file picture taken in March 1972 shows United Nations secretary general Kurt Waldheim (C) during an official visit to Vienna. Waldheim, the former UN secretary general and president of Austria whose reputation was tarnished by revelations over his Nazi past, died 14 June 2007 at the age of 88. Waldheim's family told the APA news agency that the former statesman died of a heart attack. AFP PHOTO/FILES