Hans von Herwarth

Hans-Heinrich Herwarth von Bittenfeld (14 July 1904 – 21 August 1999), also known as Johnnie or Johann von Herwarth, was a German diplomat who provided the Allies with information prior to and during the Second World War.

Hans von Herwarth

Hans-Heinrich Herwarth von Bittenfeld (14 July 1904 – 21 August 1999), also known as Johnnie or Johann von Herwarth, was a German diplomat who provided the Allies with information prior to and during the Second World War.