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Horst Feistel

German cryptographer (1915-1990) · Germany · On the map · Academics · Died at 75

Horst Feistel was a German-American cryptographer who worked on the design of ciphers at IBM, initiating research that culminated in the development of the Data Encryption Standard (DES) in the 1970s. The structure used in DES, called a Feistel network, is commonly used in many block ciphers.

Horst Feistel is read about 18 times a day, in 12 languages.

A typical day, 30 days to 14 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

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About this person

Country
Germany
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1915 to 1990 · aged 75