Ludwig Stummel information

Ludwig Stummel
Ludwig Stummel
	Ludwig Stummel identity image for the Kennkarte
Born	5 August 1898; Kevelaer
Died	30 November 1983 (aged 85); Kronberg im Taunus
Allegiance	German Empire (to 1918); Weimar Republic (to 1933); Nazi Germany
Service/branch	Imperial German Navy; Reichsmarine; Kriegsmarine
Years of service	1916-1945
Rank	Konteradmiral
Unit	SMS Freya; SMS Hannover; SMS Thetis; SMS Schleswig-Holstein;
Commands held	3/Seekriegsleitung

Ludwig Stummel (5 August 1898 in Kevelaer – 30 November 1983 in Kronberg im Taunus) was a German career signals officer with the rank of Konteradmiral, who had a glass eye and a limp and who was in effect, the Chief of Staff of the Naval Warfare department, Naval Communications (4/SKL) of the Kriegsmarine.^[1] Stummel was most notable for being the person responsible for the cryptographical security of the Enigma cipher machine and Key M infrastructure security, during World War II.^[2] Stummel was replaced at the Kriegsmarine Naval War Command on the 16–17 August 1944 by Fritz Krauss, after becoming ill. Stummel was a fervent Catholic. His faith gave him a moral compass during the latter years of the war. Initially a supporter of Nazis,^[1] he became doubtful as the war progressed. He was released from the Kriegsmarine in February 1945.

^ ^a ^b David Kahn (1991). Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943. Houghton Mifflin Company. p. 233. ISBN 978-0-395-42739-2. Retrieved 15 August 2018.
^ Friedrich L. Bauer (24 November 2006). Decrypted Secrets: Methods and Maxims of Cryptology. Springer Science & Business Media. p. 420. ISBN 978-3-540-48121-8. Retrieved 15 August 2018.

[Kahn1991-1] David Kahn (1991). Seizing the Enigma: The Race to Break the German U-Boat Codes, 1939-1943. Houghton Mifflin Company. p. 233. ISBN 978-0-395-42739-2. Retrieved 15 August 2018.

[Bauer2006-2] Friedrich L. Bauer (24 November 2006). Decrypted Secrets: Methods and Maxims of Cryptology. Springer Science & Business Media. p. 420. ISBN 978-3-540-48121-8. Retrieved 15 August 2018.

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Ludwig Stummel
Ludwig Stummel identity image for the Kennkarte
Born	(1898-08-05)5 August 1898 Kevelaer
Died	30 November 1983(1983-11-30) (aged 85) Kronberg im Taunus
Allegiance	German Empire (to 1918) Weimar Republic (to 1933) Nazi Germany
Service/branch	Imperial German Navy Reichsmarine Kriegsmarine
Years of service	1916-1945
Rank	Konteradmiral
Unit	SMS Freya SMS Hannover SMS Thetis SMS Schleswig-Holstein
Commands held	3/Seekriegsleitung