The spy at his back: Willy Brandt and Günter Guillaume at a campaign event at a Braunschweig (Brunswick) coal mine, 8 April 1974

The spy at his back: Willy Brandt and Günter Guillaume at a campaign event at a Braunschweig (Brunswick) coal mine, 8 April 1974

Photo: The Federal Government, Photographer: Ludwig Wegemann