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Yasuaki Onuma
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BIOGRAPHY

Professor Emeritus of International Law, University of Tokyo. Author of A Normative Approach to War: Peace, War, and Justice in Hugo Grotius and others.

Primary Contributions (1)
Oil portrait of Hugo de Groot, also known as Hugo Grotius, by the workshop of Michiel Janszoon van Mierevelt, showing him with a ruffled white collar and dark clothing.
Hugo Grotius was a Dutch jurist and scholar whose masterpiece De Jure Belli ac Pacis (1625; On the Law of War and Peace) is considered one of the greatest contributions to the development of international law. Also a statesman and diplomat, Grotius has been called the “father of international law.”…
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Publications (2)
International Law in a Transcivilizational World
International Law in a Transcivilizational World (February 2017)
By Onuma Yasuaki
With the resurgence of Asian nations such as China, current West-centric international law is changing in the twenty-first century. There is a pressing need to address these changes within international legal studies and overcome potential conflicts between existing and emerging powers. This structural transformation also demands a change in understanding of existing ideas and institutions. This book explores a 'trans-civilizational' approach to international law, supplementing and modifying two...
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A Normative Approach to War Peace, War, and Justice in Hugo Grotius
A Normative Approach to War Peace, War, and Justice in Hugo Grotius (1993)
By Professor of International Law Onuma Yasuaki, Yasuaki Ōnuma, Onuma Yasuaki
This work presents a scholarly commentary and critique of Hugo Grotius' De Jure Belli ac Pacis. It shows that, far from being a bookish theoretician indulging in the construction of an abstract system, Grotius ultimately aimed to create a practically oriented treatise focusing on "regulating and restraining war." It also re-examines the historiography of international law with its anachronistic Eurocentric bias.