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Horst Feistel was born on 30 January, 1915 in Berlin, Germany, is a German-American cryptographer. Discover Horst Feistel's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 75 years old?

Popular As N/A
Occupation N/A
Age 75 years old
Zodiac Sign Aquarius
Born 30 January, 1915
Birthday 30 January
Birthplace Berlin, Germany
Date of death 14 November, 1990
Died Place N/A
Nationality Germany

We recommend you to check the complete list of Famous People born on 30 January. He is a member of famous with the age 75 years old group.

Horst Feistel Height, Weight & Measurements

At 75 years old, Horst Feistel height not available right now. We will update Horst Feistel's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.

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He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

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Horst Feistel Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Horst Feistel worth at the age of 75 years old? Horst Feistel’s income source is mostly from being a successful . He is from Germany. We have estimated Horst Feistel's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
Salary in 2023 Under Review
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1915

Horst Feistel (January 30, 1915 – November 14, 1990) 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.

Feistel was born in Berlin, Germany in 1915, and moved to the United States in 1934.

1944

During World War II, he was placed under house arrest, but gained US citizenship on 31 January 1944.

1945

He married Leona (Gage) in 1945, with whom he had a daughter, Peggy.

1950

The following day he was granted a security clearance and began work for the US Air Force Cambridge Research Center (AFCRC) on Identification Friend or Foe (IFF) devices until the 1950s.

He was subsequently employed at MIT's Lincoln Laboratory, then the MITRE corporation.

1968

In 1968, Feistel became a Research Staff Member at the IBM T.J Watson Center.

During his time there he received an award for his cryptographic work.

1971

In 1971, he patented the block cipher cryptographic system at IBM.

His research at IBM led to the development of the Lucifer and Data Encryption Standard (DES) ciphers.

Feistel was one of the earliest non-government researchers to study the design and theory of block ciphers.

Feistel lent his name to the Feistel network construction, a common method for constructing block ciphers (for example DES).

Feistel obtained a bachelor's degree at MIT, and his master's at Harvard, both in physics.

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