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Douglas B. Lenat

1950 – 2023

American entrepreneur and researcher in artificial intelligence

Artificial intelligence researcherMathematician Physicist

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About Douglas B. Lenat

Lived 1950 – 2023 (aged 72). Douglas B. Lenat was an American artificial intelligence researcher, mathematician, physicist, computer scientist and author, known for Automated Mathematician, CEO and Cyc.

Douglas Bruce Lenat (September 13, 1950 – August 31, 2023) was an American computer scientist and researcher in artificial intelligence He was named one of the Wired 25. It was republished as Knowledge-based systems in artificial intelligence, they divorced and he later married Cycorp business manager Mary Shepherd.

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Important facts

Born

13 September 1950, Philadelphia

Birth century

20th century

Died

31 August 2023, Austin

Occupation

Artificial intelligence researcher, mathematician, physicist, computer scientist, author

Nationality

United States

Known for

Automated Mathematician, CEO, Cyc, Eurisko, Lisp programming language

Education

University of Pennsylvania, Stanford University

Positions held

Professor

Employers

Cycorp, Inc.

Awards

AAAI Fellow; Fellow of the Cognitive Science Society; Fellow of the American Association for the Advancement of Science; IJCAI Computers and Thought Award

Also known as

Douglas Bruce Lenat, Doug Lenat, Doug B. Lenat, Doug B Lenat, D. B. Lenat, D B Lenat

D. Lenat, D Lenat, Douglas B Lenat, Douglas Lenat

People in Douglas B. Lenat's life

Named in this biography and alive at the same time

Association football player

Contemporaries

People whose lives overlapped Douglas B. Lenat's

French resistance fighter

Frequently asked questions

Who was Douglas B. Lenat?

American entrepreneur and researcher in artificial intelligence

When was Douglas B. Lenat born?

Douglas B. Lenat was born on 13 September 1950 in Philadelphia.

When did Douglas B. Lenat die?

Douglas B. Lenat died on 31 August 2023 in Austin.

What was Douglas B. Lenat's occupation?

Douglas B. Lenat was an artificial intelligence researcher, mathematician, physicist, computer scientist and author.

What was Douglas B. Lenat known for?

Douglas B. Lenat was known for Automated Mathematician, CEO, Cyc, Eurisko and Lisp programming language.

What nationality was Douglas B. Lenat?

Douglas B. Lenat was American.

Sources & further reading

· Wikipedia: Douglas B. Lenat

· Wikidata: Q559334

· DBpedia: Douglas Lenat

Cite this page

APA: Biography.guide. (2026). Douglas B. Lenat. https://biography.guide/douglas-b-lenat/

MLA: "Douglas B. Lenat." Biography.guide, https://biography.guide/douglas-b-lenat/.

Chicago: "Douglas B. Lenat." Biography.guide. https://biography.guide/douglas-b-lenat/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

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