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Philip Jessup

1897 – 1986

American diplomat, scholar, and jurist

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About Philip Jessup

Lived 1897 – 1986 (aged 89). Philip Jessup was an American lawyer, university teacher, judge, diplomat and jurist.

Philip Caryl Jessup (February 5, 1897 – January 31, 1986) was an American diplomat, scholar, and jurist notable for his accomplishments in the field of international law.

Early life and education

Philip Caryl Jessup was born on January 5, 1897, in New York, New York. He was the grandson of Henry Harris Jessup. In 1919, he received his undergraduate A.B. degree from Hamilton College. In 1924, he received a law degree (LLB) from Yale Law School. In 1927, he received a doctorate from Columbia University.

In 1970, he was Sibley lecturer at University of Georgia's School of Law in Athens, Georgia. In 1971, he was Barnette Miller Lecturer at Wellesley College.

From 1967 to 1986, he served as chairman of the Chile-Norway Permanent Commission and as an honorary member of the Governing Council for the International Institute for Unification of Private Law. Jessup is the uncle of television writer Ted Jessup.

Honors

Jessup was elected to the American Academy of Arts and Sciences in 1932 and the American Philosophical Society in 1939. An international law moot court competition, the Philip C. Jessup International Law Moot Court Competition, is named in Jessup's honor. It is held annually in Washington D.C. and is attended by law students from around the world.

Works

The Law of Territorial Waters and Maritime Jurisdiction (G.A. Jennings Co., 1927) Elihu Root (Dodd, Mead & Co., 1938) Controls for Outer Space and the Antarctic Analogy (With Howard Taubenfeld, Columbia University Press, 1959) The Price of International Justice (1971) The Birth of Nations (Columbia University Press, 1974)

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Important facts

Birth century
Nationality
Education
Columbia University, Yale Law School, Hamilton College, Hamilton College (New York)
Positions held
Judge of the International Court of Justice
Employers
Columbia University
Awards
Manley-O.-Hudson medal; Doctor honoris causa from the University of Paris
Also known as
Philip C. Jessup, Philip Caryl Jessup

People in Philip Jessup's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Philip Jessup's

Frequently asked questions

Who was Philip Jessup?

American diplomat, scholar, and jurist (1897–1986)

When was Philip Jessup born?

Philip Jessup was born on 5 January 1897 in New York City.

When did Philip Jessup die?

Philip Jessup died on 31 January 1986 in New York City.

What was Philip Jessup's occupation?

Philip Jessup was a lawyer, university teacher, judge, diplomat and jurist.

What nationality was Philip Jessup?

Philip Jessup was American.

Sources & further reading

· Wikipedia: Philip Jessup

· Wikidata: Q2086256

· DBpedia: Philip Jessup

Cite this page

APA: Biography.guide. (2026). Philip Jessup. https://biography.guide/philip-jessup/

MLA: "Philip Jessup." Biography.guide, https://biography.guide/philip-jessup/.

Chicago: "Philip Jessup." Biography.guide. https://biography.guide/philip-jessup/.

Data last updated: 2026-09-21 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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