Heinz_Bonatz
Heinz Bonatz
German military personnel
Hermann Leopold Ludwig Eugen Hans Heinz Bonatz[1] (18 August 1897 in Witzenhausen – 1981[1][2]) was a German naval officer during World War II. He was most notable for being chief of B-Dienst (German: Beobachtungsdienst, literally: observation or monitoring service) until January 1944. B-Dienst was Division III Radio Intelligence (German: Abteilung Funkaufklärung) of the Naval Intelligence Service (German: Marinenachrichtendienst (MND)) of the Oberkommando der Marine (OKM). This division dealt with the interception and recording, decoding and analysis of the enemy - in particular British - radio communications.