The United States used threats to influence the nuclear programs of Iran, Libya and South Africa. How effective was this diplomatic coercion?

Leiden University is becoming increasingly aware of the importance of diversity and inclusiveness, but there is still plenty of room for improvement. This is the key message from the first annual report of the Sounding Board on Diversity Policy, presented to Vice-Rector Hester Bijl on 15 February.

December 2020 saw the crowning publication of the Landscapes of Survival project by Professor Peter Akkermans. Its main topic is human habitation in marginal environments like the deserts of the Arabian Peninsula. ‘The people living here built their own society, and they would not have viewed it as…

Thirty years ago, the Leiden Journal of International Law (LJIL) was born, at a time when the writing of histories was hardly a popular endeavor for international legal scholars. In his 1987 article ‘Probleme der Völkerrechtsgeschichte’ (‘The Problems of International Legal History’), Heinhard Steiger…

The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic challenges in the digital environment. This years conference focused on international cyber security and the role of the…

Stopping people at the border does not result in less refugee migration, but providing relief in the region where migrants come from does. What else would be wise for the next government to do in terms of immigration?

More and more Dutch citizens are having to cope with debts at one time or other during their lives. Which is why the issue of debt counselling was selected as the central theme for the Leiden Leadership Lunch on Friday 27 September 2019.

The 2025 Data for Policy conference at Leiden University explored how digital and green transitions can shape a more sustainable and inclusive future.

‘In the field of AI, Leiden is still a relatively unseen university,’ says Thomas Dohmen. The brand-new Director AI Collaboration Center, would like to forge a Leiden AI collaboration network, with sustainable and impactful relationships between the university and civil society organisations. The question…

Leiden biotech startup Azafaros has successfully completed a funding round, raising 25 million euros of investments for developing treatments of rare metabolic disorders. The company holds exclusive license to a library of novel patented compounds discovered by experts from Leiden University.

In 2018, the Ministry of Education, Culture and Science (OCW) is celebrating its 100-year existence. To commemorate this occasion, policy historian Pieter Slaman conducted a comprehensive survey of the ministry. We now look back on 5 crucial moments.

The behaviour of strongly correlated electron systems, such as high-temperature superconductors, defies explanation in the language of ordinary quantum theory. A seemingly unrelated area of physics, string theory, might give physicists a better understanding of the weird behaviour of these kinds of…

The Faculty of Humanities, Leiden University Centre for the Arts in Society (LUCAS) is looking for a: PhD The Illustrated Aesopian Fable in Education in France 1500-2010 (1.0 fte) Vacancy number: 16-123

Reinout Vriesendorp has been Professor of Insolvency Law since 2016 as well as a partner at law firm De Brauw Blackstone Westbroek. For nine years, he has advanced multidisciplinary collaboration, internationalisation and high-quality education. On 9 May, he will deliver his valedictory lecture after…

The dark matter of biology: clumps of sugar molecules that, for example, form sugary webs around pathogens. We know very little about them. Wouter Remmerswaal threw all his talent into the challenge – both in the lab and as a modeller – and succeeded. He received his PhD on 12th September.

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

A packaging-free shop, small mobile homes, solar panels on all Leiden's roofs… Jeroen Schrama, alumnus of Public Administration, is a creative world improver. ‘If we really want to save the world, we have to make much more radical choices.’

Strengthening our contacts with Indonesia and exploring new opportunities for academic partnerships. These were the aims of a four-day visit to Jakarta and Yokyakarta at the end of February by a delegation from Leiden University.

Korrie Korevaart, a former director and lecturer in Dutch language and culture at Leiden University, has been made a member of the Order of Orange-Nassau. Korevaart, who has retired but is still a guest member of staff at the university, has received the honour for her work at the Faculty of Humanities…

Trinidad and Tobago, a twin-island nation, has over 300 identified archaeological sites that testify to its diverse history, covering pre-colonial, colonial, and post-colonial periods. Many of these sites were discovered by archaeologists in the 20th century and have not been regularly visited and assessed.…

How do you increase the EU’s EQ so that citizens and countries feel a greater sense of belonging and safety in the EU, and the countries work better together? To answer this question, Professor of European Law Armin Cuyvers works, among others, with social psychologists. Inaugural lecture on 9 Decem…

As a result of production pressure, judicial powers focus more on efficiency and less on making sure they get to the truth. Professor of Criminology Jan de Keijser believes that establishing the truth in court cases is under threat. Inaugural lecture 7 November.

From 1 September Erwin Muller will be the new Dean of the Faculty of Governance and Global Affairs (FGGA) in The Hague. What makes him the right person for the job? And what can the Faculty expect in the next few years? ‘Quality and content are crucial. Some growth figures are worryingly high.’

A celebration was held in the Tabú restaurant: Mark Rutgers, Dean of the Faculty of Humanities, was presented with the first copy of LEAP, a journal where Humanities master’s students can prepare for an academic career by publishing articles themselves.

The Dutch universities are conducting a joint campaign to promote open access: free access to academic and scientific publications. Many Leiden researchers support open access. Given that it involves a shift in the financing from the reader to the author, they point out the need for effective agreements…

In December 2023, Louise van der Vlugt was announced as Co-Winner of the 'Best Thesis in Jewish Studies' Award. She sat down to answer some questions about her prize-winning BA Thesis.

I am an associate professor in health psychology here at the Faculty of Social and Behavioural Sciences. My main line of work is health behaviour and behaviour change, so trying to understand why people do what they do including clearly unhealthy things. I have done a lot of work on personal goals and…

The section Air & Space Law of the institute of Public Law of the Leiden Law School is looking for a

Multidrug-resistant pathogens and worldwide pandemics are increasing, making infectious diseases more prevalent. To develop new treatments, deeper knowledge of the interaction between bacteria and human cells is required. Ariane Briegel recently became a Medical Delta professor and studies such path…

On 4 and 5 September, Leiden Law School hosted a special conference that brought together around sixty participants from the Netherlands and abroad to discuss the future of economic, social, and cultural rights – rights that touch upon everyone’s daily life: housing, education, healthcare, food, and…

Students used to live with a landlady or even with the professor whose course they were taking. Student accommodation has since become more professional, making it something the new government will have to tackle. What should the new government do?

As of 1 August, Anika Bexkens has been appointed Professor of Evidence-Based Clinical Practice for Child and Adolescent Mental Health. Her research focuses on the optimal application of scientific knowledge in practice. ‘Scientists and practitioners often speak past each other.’

The annual commemoration of the nation’s war dead on Dam Square and at Waalsdorpervlakte, the Dutch apologies for historical slavery and the Cleveringa Lecture itself: our relationship with history is often ritualistic, Cleveringa Professor Frank van Vree will say in his inaugural lecture on 27 Nove…

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

Interview with Pieter Slaman who received the LUS Education Prize. What makes the award so special to him and does he already know how he will use his prize money?

Alumnus Robert van Asten has been an MP for D66 since 2025. He studied Tax Law at Leiden University from 1997 to 2005. After a career in that field, he switched to local politics and later national politics.

Study information

Lecture, Research Seminar Medieval and Early Modern History

Wawancara dengan Dr. R. Hendrian, M.Sc.

2025 was a year full of impact and milestones for FGGA: From a record number of graduates and new programmes to international collaborations, prestigious awards and research that pushes boundaries and provides insight into current challenges.

Authors: Michèle Bos and Jan Melissen

Gendered dynamics and assumptions are prevalent throughout the field of cybersecurity.

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

How do you set up a successful collaboration between science and practice? That was the main theme of the final meeting of a triptych of symposia on how Leiden University can improve inter- and transdisciplinary collaboration.

A peer educator intervention can give pupils more knowledge and awareness about their LGBT peers, and sometimes also a more positeve view. This is the subject of Marieke Kroneman's dissertation. Defence on 15 September.

By analysing the metabolism using big data techniques, we can identify health risks at an earlier stage. Thomas Hankemeier, professor of Analytical Biosciences at the Leiden Academic Centre for Drug Research, explains how that works.

Many students, staff and alumni of Leiden University are politically active. In the run-up to the local elections on 21 March, candidates in The Hague and Leiden explain why you should vote for them, and what they want to do if they are elected. In this article, it is the turn of the candidates in The…

The projects of nine researchers at Leiden University have received funding through the new NWO Science Diplomacy Fund. The Fund is for scientific activities that will improve relations between the Netherlands and other countries.

Professor of Radiology Lioe-Fee de Geus-Oei was already a professor at LUMC and the University of Twente. As Medical Delta professor, she has now also been appointed at Delft University of Technology. 'Talking with people from other disciplines always makes me immensely humble, because they look at…