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Dorothy Blum

1924 – 1980

American computer scientist and cryptanalyst

Computer scientist Cryptanalyst
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About Dorothy Blum

Lived 1924 – 1980 (aged 55–56). Dorothy Blum was an American computer scientist and cryptanalyst.

Dorothy Toplitzky Blum (February 21, 1924 – October 1, 1980) was an American computer scientist and cryptanalyst. She worked for the National Security Agency and its predecessors from 1944 until her death in 1980.

Early life Dorothy Toplitzky was born in 1924 in New York City to Austro-Hungarian immigrant parents.

Career After graduating from Brooklyn College in 1944, she joined the cryptologic unit of the U.S. Army. This unit focused on cryptanalysis, the study of analyzing information systems to gain access to hidden aspects of systems, in this case, the Axis powers' encrypted messages. After World War II, she worked for the United States Armed Forces Security Agency and later the National Security Agency (NSA). beginning three years before its public release in 1957.

Legacy Blum died from cancer on October 1, 1980, aged 56. An internal award at the NSA - the Dorothy T Blum Award for excellence in employee personal and professional development - was named after her.

Personal life In 1950, she married NSA mathematician Joseph Blum, and they later had a son, David Blum.

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Important facts

Birth century
Died
1980
Nationality
Education
Brooklyn College
Employers
National Security Agency, US Army
Also known as
Dorothy Toplitzky Blum

People in Dorothy Blum's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Dorothy Blum's

Frequently asked questions

Who was Dorothy Blum?

American computer scientist and cryptanalyst

When was Dorothy Blum born?

Dorothy Blum was born on 21 February 1924 in New York City.

When did Dorothy Blum die?

Dorothy Blum died in 1980.

What was Dorothy Blum's occupation?

Dorothy Blum was a computer scientist and cryptanalyst.

What nationality was Dorothy Blum?

Dorothy Blum was American.

Sources & further reading

· Wikipedia: Dorothy Blum

· Wikidata: Q23806463

· DBpedia: Dorothy Blum

Cite this page

APA: Biography.guide. (2026). Dorothy Blum. https://biography.guide/dorothy-blum/

MLA: "Dorothy Blum." Biography.guide, https://biography.guide/dorothy-blum/.

Chicago: "Dorothy Blum." Biography.guide. https://biography.guide/dorothy-blum/.

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