Günter Guillaume was an East German spy who gathered intelligence as an agent for East Germany's secret service, the Stasi, in West Germany. Guillaume became West German chancellor Willy Brandt's secretary, and his discovery as a spy in 1973 led to Brandt's downfall in the Guillaume affair.
Guillaume (right) with West German chancellor Willy Brandt, 1972–1974
Willy Brandt with Guillaume, 1974
The Ministry for State Security, commonly known as the Stasi, an abbreviation of Staatssicherheit, was the state security service of East Germany from 1950 to 1990.
The main entrance to the Stasi headquarters in Berlin
Citizens protesting and entering the Stasi building in Berlin; the sign accuses the Stasi and SED of being Nazi-like dictators (1990).
The former Stasi Prison, Erfurt
Cells in Bautzner Strasse Memorial, Dresden