The BStU (Bundesbeauftragte für die Unterlagen des Staatssicherheitsdienstes der ehemaligen Deutschen Demokratischen Republik - Office of the Federal Commissioner Preserving the Records of the Ministry for State Security of the GDR), commonly known as the Gauck office or Birthler office after the first and second lead commissioners respectively, preserves and protects the archives of the former Stasi, the secret police and intelligence organization of the German Democratic Republic (East Ge… (More on Bstu)