In the current global context, there is a pressing need to address sustainable energy supplies to safeguard our Planet and its ecosystems. The choices made by human society have a significant impact on genetic evolution and climate.

Business Process Model and Notation (BPMN) has become the standard for business processes diagrams.

β-Lactamases are enzymes that can break down β-lactam substrates, such as antibiotics, preventing the use of these antibiotics for the treatment of various infectious diseases. However, some compounds, β-lactamase inhibitors, can block these enzymes allowing for possible treatments using a combination…

Towns and elites in Merovingian northern Gaul, 450-650

In my research, I focus on cooperation, social dilemmas, tacit coordination, uncertainty, sanctions and trust.

Promotor: R. Gill, Co-promotor: P. Massart

Antonia Lamers, PhD at ICLON, researched how to create a TNE teaching and learning environment that is in line with the expectations of the British programmes offered to students in Oman.

This article devises a framework to assess the degree to which human rights bodies provide duplicating or contradicting recommendations to States. Focusing on the case of torture, it creates an original database of recommendations delivered to 14 countries in the years 2012–2016. Results show that duplications…

A monthly seminar on complex networks, aimed at scientists from all disciplines.

Do you like running? Then take part in the Leiden Science Run on The Leiden Science Run is a 4.44 km charity run at the Leiden Bio Science Park on 28 september 2019. In 2019 Leiden University will be 444 years old. This special birthday calls for a special celebration. That is why we have adjusted the…

Discover the power of interdisciplinary AI research at Leiden University's SAILS Initiative through this bi-weekly seminar. The SAILS network of AI experts spans all seven faculties: Law, Science, Archaeology, Social Sciences, Humanities, Governance and Global Affairs, and the Leiden University Medical…

This article investigates the sources of legitimacy in multistakeholderism as a major alternative approach to intergovernmental global governance.

This volume contributes to the scholarly debate regarding the reception of Cicero and focuses on one particular moment in Cicero’s life: the period from Caesar's death (March 44 BCE) up to Cicero’s own death (December 43 BCE).

On 29 april 2020, Beth Van Schaack defended her thesis 'Imagining Justice for Syria: Water Always Finds Its Way'. The doctoral research was supervised by Prof. C. Stahn.

What makes a pension scheme sustainable? Most answers to this question have revolved around expert assessments of pension schemes’ affordability or adequacy. This study shifts focus from the financial or social sustainability of pension scheme designs to their political sustainability. The key question…

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

Promotor: R. Cramer

This dissertation investigates Extended Lexical Units (ELUs), elements that are bigger than just one word and which are stored in the Lexicon.

Promotor: T. H. Oosterkamp

How might viola and string quartet playing in the performer-centered, moment-to-moment and communicative style heard on early recordings be brought about today?

Today, 189 out of 193 officially recognised nation-states have a written constitution, and 75% of these have been ratified since 1975. How did this worldwide diffusion of constitutions come about?

The energy system is at the heart of two of the greatest challenges of the 21st century: decreasing CO2 emissions to meet the ambitions of the Paris agreement while fulfilling the growing energy demand associated with the economic aspirations of a growing world population.

Perhaps you have questions about your studies or could use some extra help? Or maybe you’d like some support of a more personal nature? At Leiden University we have people and departments who are glad to help out in any and all of these areas.

Moscow's Heavy Shadow tells the story of the collapse of the USSR from the perspective of the many millions of Soviet citizens who experienced it as a period of abjection and violence.

This subproject argues for a close and forensic reconstruction of financial flows to and from Soviet Central Asian republics in the postwar period.

In citizen science projects, citizens and scientists work together to develop new scientific knowledge.

Explore the MSc in Political Theory: Legitimacy and Justice at Leiden University. Dive into core themes like justice and legitimacy, study classical and modern political theory, and sharpen your analytical and philosophical skills.

The Uses of Justice in Global Perspective, 1600–1900 presents a new perspective on the uses of justice between 1600 and 1900 and confronts prevailing Eurocentric historiography in its examination of how people of this period made use of the law.

This study offers a new view on public services in the early modern Low Countries and answers the following questions: who provided public facilities in urban communities and in which ways did public amenities change in the period between 1500 and 1800?

University Campus Spui, Spui 5, 2511 BL, The Hague

Over 1,200 children from junior schools in Leiden and The Hague were taught by a real professor on the university's anniversary.

When you apply for admission, you’ll be asked to submit several documents.

Education for professionals. Leiden University offers a wide range of courses to boost your career, learn new skills, or broaden your knowledge.

Tax scandals, like the Panama Papers, the Paradise Papers, and the Pandora Papers, have made taxation a major topic of public debate. Learn more about this in the new minor Tax and Society: Building a Sustainable and Fair Tax System.

Find out what it is like to study at the Faculty of Law. Watch the video below to get an impression of our facilities and our faculty in Leiden and The Hague. Be sure to also take part in our online and on-campus information sessions!

The tuition fee depends on a number of factors. We will explain more about the fees on this web page. Read more.

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

It is generally accepted that a university education is about more than knowledge transfer alone. Alongside knowledge and understanding, students should develop the skills required to apply this knowledge and understanding.

Throughout this research project, you will often find us on the streets of Leiden talking to residents about their perceptions of safety. Over the coming months, you may well find our interns Jelle and Roellinde in Leiden’s many districts and in markets, shopping centres and meeting places across the…

The Grachtwacht (Canal Watch) conducts research on urban wildlife and the impact of plastic on nature. With our clean-ups, we not only collect waste, but also data. This way we try to find out the source of the waste and turn off the tap on shore. This way there is structurally less plastic in the c…

Inflammatory skin diseases such as psoriasis and atopic dermatitis can severely impact both the physical and social aspect of a patient’s life. Aberrant inflammatory responses are thought to be a major causative factor in these disorders, but an abundance of different factors contribute to the development…

Would you like to contact the programme European and International Human Rights Law? Please contact us via the details as published on this page.

This book examines how gender relations were regulated in ancient Near Eastern and biblical law. The textual corpus examined includes the various pertinent law collections, royal decrees and instructions from Mesopotamia and Hatti, and the three biblical legal collections. The book explores issues beginning…

Amy Strecker assesses the institutional framework for landscape protection, analyses the interplay between landscape and human rights, and links the etymology and theory of landscape with its articulation in law.

The Leiden Institute of Advanced Computer Science (LIACS) works closely together with companies, governments, NGOs and knowledge institutes.

This book explores the spiritual potential of faith, mysticism and transcendence in answer to the dangers of a mythologised state and the sacro-sanctification of (liberal) democracy and its rule of law.

Brendan Carroll promoted On Thursday October 30th Brendan Carroll successfully defended his PhD dissertation entitled:

The Next444 project focuses on the future of interdisciplinary research at Leiden University.