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.