Bruno von Freytag-Löringhoff

Bruno Baron von Freytag-Löringhoff (11 June 1912–28 February 1996) was a German philosopher, mathematician and epistemologist. He was also a university lecturer at the University of Tübingen. During World War II, Freytag-Löringhoff worked as a mathematician in the In 7/VI, that was the signals intelligence agency of the Wehrmacht and worked with Fritz Menzer on the testing of cryptographic devices and procedures. Freytag-Löringhoff worked specifically on the testing of the m-40 cipher machine. His most important contributions to the history of logic and mathematics was his studies and descriptions from 1957, of the calculating machine, built by Wilhelm Schickard.

Bruno von Freytag-Löringhoff was an aristocrat and a member of the noble house of Frydag.

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