Professor Jaap Dubbeldam passed away on the 19th of November at his home in Leiderdorp.

An increasing amount of research is demonstrating the importance of taking parenting from prison seriously. But the plans of Minister Dekker of Legal Protection do not address this issue.

Archaeologist Roos van Oosten is studying Leiden's medieval cesspits. And on the basis of her work she reaches a surprising conclusion: the Middle Ages were no means as filthy as you might think.

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

The political situation in Venezuela is increasingly complicated. On Monday morning, February the fourth, several EU countries, including The Netherlands, recognised Guiadó as legitimate acting president. Dr. Jan Melissen, attached to the Clingendael Institute and the Institute of Security and Global…

The benefits department of the Dutch Tax Administration has attempted to reach backroom agreements with the judiciary about the decision period in benefits cases. Lecturer in tax law Martijn Nouwen says this harms the legal protection of victims.

Barend Barentsen, Professor of Labour Law, recently spoke at a meeting of experts in Amsterdam on the future of the Dutch incapacity benefit system.

Our society can no longer not imagine the threat of cybercrime. Banks, companies, and schools are hacked, or 'DDoSed', with increasing regularity and data is being stolen or taken hostage. To respond adequately to this threat, we need more knowledge of the perpetrators.

Many employers are unaware that work-related accidents must be reported immediately to the Netherlands Labour Authority (NLA) and therefore they neglect to do so. Therefore, there is often no investigation into the cause of an accident. The NLA is aware of only half of the number of work-related accidents…

University lecturer Lauren Lauret has been awarded the D.J. Veegens Prize 2022 for her dissertation on the meeting practices of the States General during the time of the Republic of the Seven United Provinces compared to those of the Lower House during the first half of the 19th century.

On 11 November 2016, The Hague Law Labs and the department of Constitutional and Administrative Law, in collaboration with the Italian Association for European and Comparative Law, will organise ‘The Dutch Constitution Beyond 200: tradition and innovation in a multilevel legal order'.

At the LDE Space & Society Honours, students explore everything the universe has to offer. From the technical frontiers to the rules that govern it: space law.

Hilde Wermink, Assistant Professor at the Institute of Criminal Law & Criminology was interviewed on this topic for an article published in US News on 13 May.

The sustainable production of hydrogen could potentially be made more efficient by adding a cleverly chosen salt to the process. Researchers at the Leiden Institute of Chemistry (LIC), in collaboration with physicists at the University of Twente, have discovered that the type of salt present in the…

It is difficult not to feel intimidated when looking at Ebel Slijp’s Linkedin profile: with only 23 years old, Ebel has been featured in the ‘Jonge 100’ (Young 100), the ‘Duurzame Jonge 100 (Sustainable Young 100)’ and the ‘Top 25 under 25, all awarded to him for his entrepreneurial spirit. With his…

Have you got an old mobile phone lying around? If so, you can hand it in at Funky Phone in Lipsius. The phone will be recycled and you get to play an old-fashioned arcade game on the Funky Phone games computer built from discarded electronics. Vice-Rector Hester Bijl kicked off the Funky Phone Challenge…

Leiden University Proudly Announces Dr. Mikiko Otani as the Rotating Honorary Chair Enforcement of Children's Rights 2023/2024

Leiden University co-hosts Council of Europe expert exchange on accountability for crimes against children in Ukraine

Research conducted in this group aims at furthering our understanding of how communities and individuals deal with social change, conflict and trauma through remembrance and commemoration as well as forgetting in the arts.

The major aim is to develop, evaluate, and implement disease-generic cognitive-behavioral interventions through the internet in order to optimize tailored health care for patients with chronic somatic conditions.

This project involves research into the oeuvre of the Sundanese sculptor Iko, who has worked for the Catholic mission in Java and has carved sculptures for a chapel and church in Ganjuran. The images were designed by the Catholic layman Jos Schmutzer and are characterized by a fusion in style and symbolism…

The modification of risk factors and related health behaviors lies at the very core of adequate cardiovascular risk management, yet evidence shows that the majority of people with cardiovascular disease (CVD) fail to achieve a healthy lifestyle in the long term. The main objective of this project is…

In 2023, many of our students and staff won great prizes and secured important research grants.

This project investigates the globalization and cultural mediation of palliative care practices, policies and discourses.

During Leiden City of Science 2022, Janet Grijzenhout and Hannah De Mulder will put multilingualism in the spotlight by organising multilingual storytelling afternoons. They hope to show parents that raising children multilingually is achievable as well as beneficial.

Remote teaching: reality until at least the end of this academic year. The transition to remote teaching required a huge effort and adjustments from all staff. So what’s it like for Leiden Law School’s lecturing staff? Three colleagues tell us about their first weeks of experience with remote teachi…

From March 11th to 14th, the workshop

On 15 May the Space Law Moot Court Competition was held in the council chamber of Leiden Town Hall, organised by the International Institute of Air and Space Law (IIASL).

On 1 December 2023, Fatma Çapkurt was appointed as deputy chair of the State Committee on the Rule of Law.

Europe's latest quantum computer is set to arrive in the Netherlands. The Dutch IT cooperative, SURF, which supports education and research institutions, has secured funding from the European EuroHPC programme to make this possible. Researchers from Leiden University will play a key role in the project,…

On 18 March 2019, Gökmen Tanis shot three people in a tram in Utrecht. He shot a fourth victim after exiting the tram on the 24 Oktoberplein. On 1 July, the criminal trial against Tanis started with presumably only one possible outcome: a life sentence.

Asteroids, pieces of matter orbiting round the sun, have turned out to be extremely valuable. Asteroid Psyche contains a quantity of metals that together are worth more than the entire global economy. NASA is heading for it.

At the start of 2020, the book ‘Safeguarding Children’s Rights in Immigration Law’ was published by Intersentia.

KM3NeT is selected as one of the ten top research facilities in NWO’s National Roadmap for Large-scale Research Infrastructure. Leiden physicist Dorothea Samtleben is the deputy program leader of Nikhef’s KM3NeT group.

Suspending family reunification of refugee status holders is illegal. That was the ruling of a Dutch court in a case brought by a Syrian woman with asylum status. The (temporary) restriction on entry for family members was one of the pillars of the cabinet’s asylum deal in August.

During this award ceremony for alumni op Saturday, 10 February 2018, Vincent Bakker was awarded second prize in Leiden University’s 2018 Thesis Award. These prizes are made possible by the Minerva Reünisten Fund Year 1957/1961/1965, incorporated into the Leiden University Fund (LUF). His thesis supervisors…

Leiden University’s Department of Labour Law and Social Security is proud to announce that the International Labor Rights Case Law Journal (ILaRC) is set to publish its tenth volume this year. A valuable initiative of Paul van der Heijden, Emeritus Professor at the Department of Labour Law and former…

On Monday 2 September, a computer malfunction severely crippled several hospitals in the Dutch province of Gelderland. Which had a huge impact on patients’ appointments. Daan Weggemans, researcher at the Institute for Security and Global Affairs (ISGA) was interviewed on the issue by Dutch regional…

Researchers from Leiden University, together with SEO Amsterdam Economics, have been chosen to evaluate the Dutch Telecommunications Sector (Undesirable Control) Act and the Investments, Mergers and Acquisitions (Security Screening) Act.

Atte Ahola, who graduated last year from the bachelor’s programme in Urban Studies, has won the award for Best Undergraduate Thesis in Europe in the category of Earth and Environmental Sciences at the Global Undergraduate Awards 2025.

Elena Bondarouk, Assistant Professor at the Faculty Governance and Global Affairs, obtained her PhD on 27 August for her thesis on the local implementation of EU air quality policy. Her research has been included into the 'Europa decentraal' database, a Dutch governmental knowledge centre for queries…

In May 2018, Malek F. stabbed three people in The Hague. According to Malek F., he was told by a ‘big bird’ in the sky to randomly stab people. His lawyers registered a plea of insanity with the court because of his mental condition. In the end, the court sentenced Malek F. to involuntary commitment…

On 6 November 2025, the Europe Hub welcomed Mr. Pierre Bachelier, Director of Student Affairs at the College of Europe, for a visit at Leiden University. Mr. Bachelier presented the College of Europe's postgraduates programs, which Leiden students can join after graduating from their masters.

Recently three Public Administration students of Leiden University gave a sturdy advice to the Tax Authorities about the effects of the reorganization, at the invitation of the Ministry of Finance.

A team of researchers from Leiden Institute of Advanced Computer Science (LIACS) recently hosted a big international conference (EMO 2023). At the conference, computer scientists discussed algorithms that are important in areas such as drug discovery, industrial production planning, and sustainable…

Thanks to a €4.8 million grant from the Dutch Research Council, a consortium that includes four physicists from Leiden University will develop a national facility for atomic-scale research into novel materials. This initiative is expected to drive innovation for energy transition.

Following years of negotiations between Member States and the European Parliament, there’s finally been a breakthrough for migration policy. What does it mean for the Netherlands, exactly? Mark Klaassen, Assistant Professor in Immigration Law, discusses this on various media channels.

In a recent Physics World podcast, PhD candidate Felix Frohnert from Leiden University explains how his team uncovered hidden connections in scientific literature by using machine learning routines. With this information, it’s possible to predict promising new research ideas in quantum physics. Listen…

What is the impact of digitalisation and Artificial Intelligence (AI) on the functioning of our constitution? Reijer Passchier, Assistant Professor of Constitutional and Administrative Law, warns in an article in Leidraad that digitalisation is giving the executive branch more and more power, and that…

On Tuesday 14 February 2017 defended Kees van Gageldonk his doctoral thesis ‘Op zoek naar onderzoek. De totstandkoming van de onderzoekfunctie in het hoger beroepsonderwijs' at the Academy Building of Leiden University. Supervisor of the research is Prof.dr. W. Otterspeer with co-supervisor Dr. P.J.…