He was the head of Vienna's Jewish Documentation Center from 1961 to 2003
[DOC] [TLE] Jewish Historical Documentation Centre - Wikipedia [PAR] The Jewish Historical Documentation Centre was an office headed by Simon 
Wiesenthal in ... Encouraged, in 1961, Simon Wiesenthal founded the 
Documentation Centre of the Association of Jewish Victims of the Nazi ... 
Verfolgter des Naziregimes) in Vienna, which concentrated exclusively on the 
hunting of war criminals.