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Manfred Lachs

1914 – 1993

Polish jurist and diplomat

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About Manfred Lachs

Lived 1914 – 1993 (aged 78). Manfred Lachs was a Polish diplomat, university teacher, judge and jurist.

Manfred Lachs (21 April 1914 – 14 January 1993) was a Polish diplomat and jurist who served as a Judge of the International Court of Justice and greatly influenced the development of international law after World War II.

Life Lachs was born to a Jewish family. Lachs attended the Jagiellonian University in Kraków where he earned a doctorate in Laws (1937). Right after his studies, he started working for the Consular Academy of Vienna and afterwards in the London School of Economics. Lachs was drafted in the army and throughout his military service he was advisor to the Polish government.

During the Second World War, Lachs escaped to London, and served as secretary to Ignacy Schwarzbart, who was one of the two Jewish representatives on the National Council of the Polish government-in-exile. Lachs' family, which remained in Poland, were murdered in the Holocaust.

Before his career turned toward international law, he filled many judiciary posts in the Polish government such as Poland's Foreign Affairs director of the Department of treaties and legal jurisdiction (1947–1960) and prime minister's special advisor (1960–1967). He was the first Chair of the Legal Subcommittee of the UN Committee for the Peaceful Uses of Outer Space (1959–1967). During negotiations over the Paris Peace Treaties of 1947, Lachs stood for his country as a delegate. He later became a professor of international law at the University of Warsaw (1952–1993), and served as a member of the Polish delegation of the general assembly of the United Nations. It is said that Lachs' legal brilliance is what insulated him from anti-Semitic purges in Poland.

Manfred Lachs Moot Court Competition After his death, the Manfred Lachs Space Law Moot Competition was named in his honour by the International Institute of Space Law.

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Important facts

Birth century
Nationality
Education
London School of Economics and Political Science, University of Lorraine, Jagiellonian University, Lomonosov Moscow State University
Positions held
President of the International Court of Justice, Judge of the International Court of Justice
Employers
University of Warsaw, University of Groningen, The Hague Academy of International Law
Awards
Commander of the Order of Polonia Restituta; Officer of the Order of Polonia Restituta; Medal of the 10th Anniversary of People's Poland; Doctor honoris causa of the University of Helsinki; Honorary doctor of the University of Vienna; Honorary doctor of Sofia University; Wateler Peace Prize; Gold Cross of Merit‎; Commander with Star of the Order of Polonia Restituta; Honorary doctorate from the University of Nice-Sophia Antipolis
Also known as
Manfred H. Lachs

People in Manfred Lachs's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Manfred Lachs's

Frequently asked questions

Who was Manfred Lachs?

Polish jurist and diplomat (1914–1993)

When was Manfred Lachs born?

Manfred Lachs was born on 21 April 1914 in Ivano-Frankivsk.

When did Manfred Lachs die?

Manfred Lachs died on 14 January 1993 in The Hague.

What was Manfred Lachs's occupation?

Manfred Lachs was a diplomat, university teacher, judge and jurist.

What nationality was Manfred Lachs?

Manfred Lachs was Polish.

Sources & further reading

· Wikipedia: Manfred Lachs

· Wikidata: Q688937

· DBpedia: Manfred Lachs

Cite this page

APA: Biography.guide. (2026). Manfred Lachs. https://biography.guide/manfred-lachs/

MLA: "Manfred Lachs." Biography.guide, https://biography.guide/manfred-lachs/.

Chicago: "Manfred Lachs." Biography.guide. https://biography.guide/manfred-lachs/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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