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Frances Allen
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Frances Allen

IBM compiler pioneer and the first woman to win the Turing Award

4 August 1932 – 4 August 2020 United States Verified by our editors
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Lived
88 yrs
1932 – 2020
Works listed
2
Paper
Honours
3
Most recent 2006
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Frances Allen was an American computer scientist at IBM whose work on optimising compilers made programs run much faster on high-performance computers. In 2006 she became the first woman to receive the Turing Award.

Biography

Early life

Allen grew up on a dairy farm in upstate New York, studied mathematics at the State University of New York at Albany and earned a master’s at the University of Michigan. She joined IBM in 1957, planning to stay only long enough to pay off her student loans; she stayed 45 years.

Compilers

Her first job was teaching scientists to use Fortran. She went on to work on compilers for the Stretch supercomputer and the classified Harvest code-breaking machine for the National Security Agency.

Program optimisation

With John Cocke she developed the theory of control-flow analysis and data-flow analysis that lets compilers understand and improve programs automatically. Her papers of 1966–1976 underlie optimisations in virtually every modern compiler, and she led the PTRAN project on automatic parallelisation.

Recognition

In 1989 she became the first woman named an IBM Fellow. She received the Turing Award in 2006 and mentored many women in computing. She died on her 88th birthday in 2020.

Timeline

  1. 1932

    Born in Peru, New York, United States

  2. 1957

    Joins IBM

  3. 1962

    Works on the Harvest system for the NSA

  4. 1970

    Publishes control-flow analysis

  5. 1976

    Data-flow analysis with John Cocke

  6. 1989

    First female IBM Fellow

  7. 2006

    Turing Award

  8. 2020

    Dies on her 88th birthday

  9. 2020

    Died, aged 88

Notable works

  • 1970

    Control Flow Analysis Paper

  • 1976

    A Program Data Flow Analysis Procedure Paper

    With John Cocke.

Awards and honours

  • Women in Technology Hall of Fame

    1997

  • Computer Pioneer Award

    2004

  • Turing Award

    2006

Did you know?

  1. 1

    She originally trained as a mathematics teacher.

  2. 2

    IBM created the Frances E. Allen Women in Technology Mentoring Award in her honour.

  3. 3

    She was a keen mountaineer.

Connections

Also born on 4 August

Frequently asked

Who is Frances Allen?

Frances Allen was an American computer scientist at IBM whose work on optimising compilers made programs run much faster on high-performance computers. In 2006 she became the first woman to receive the Turing Award.

When did Frances Allen die?

Frances Allen died on 4 August 2020 at the age of 88.

Where is Frances Allen from?

Frances Allen was born in Peru, New York, United States.

What is Frances Allen known for?

Frances Allen is best known for Optimising compilers; program analysis; first female Turing Award winner (2006).

What awards has Frances Allen received?

Notable honours include Women in Technology Hall of Fame (1997), Computer Pioneer Award (2004), Turing Award (2006).

References

  1. Frances Allen — Wikipedia. Wikipedia. Retrieved 4 November 2026.
  2. Frances Allen — Britannica. Encyclopaedia Britannica. Retrieved 4 November 2026.
  3. Frances Allen (Q9602) — structured data. Wikidata. Retrieved 4 November 2026.

Includes material from the Wikipedia article “Frances Allen”, licensed under CC BY-SA 4.0. That text is available under the same licence. Learn more

External links

Wikipedia
Filed under CompilersIBMTuring AwardWomen in computing Computer Scientist

About this profile

Cite this page

“Frances Allen.” TrackFame, last updated 5 November 2026. https://trackfame.com/person/frances-allen

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