Date of Birth: 
Place of Birth: Witzenhausen, Hesse, Germany
About Heinz Bonatz
- Hermann Leopold Ludwig Eugen Hans Heinz Bonatz (18 August 1897 in Witzenhausen – 1981) was a German naval officer during World War II, known as Heinz Bonatz.
- 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.
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