Ruurd Halbertsma combines his work as a curator and professor by special appointment with writing thrillers. 'I'd rather respond to the discussion on looted art this way than by joining talk shows.'

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

In November 2024, Dr. Hana Kubatova (Charles University, Prague) visited Leiden to talk with students and our community about academic freedom and neutrality at the university. This meaningful event was planned by student leaders from CIROS (Community for International Relations and Organisations Students)…

Professor Pieter ter Keurs has spent his entire career studying collecting. Now, he is retiring. ‘I hope the focus on collections will carry on.’

Leiden patriot Pieter Vreede fought for greater popular influence. Historian Dirk Alkemade reveals how this pioneer used radical means to shape Dutch democracy.

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life. This time, Jasper writes his column from Singapore.

Annetje Ottow, president of the Executive Board of Leiden University, has been the new chair of the Leiden-Delft-Erasmus (LDE) strategic alliance for just two months. What does she want to achieve during her two-year chairmanship?

This week we welcomed a high-level delegation from the Dutch Research Council (NWO) and the National Natural Science Foundation of China (NSFC) to Leiden’s Institute of Environmental Sciences (CML).

Monica den Boer, who has decades of experience within police and defence and was also active as a Member of Parliament (D66), has been appointed extraordinary professor of Police Studies.

The newly established Leiden Jewish Studies Association aims to bring together Leiden scholars working on Judaism. The first annual conference will take place in Leiden on 6 and 7 December. Leiden professors and co-organisers of the LJSA Sarah Cramsey and Jürgen Zangenberg talk about their plans.

Leiden University and the Leiden Bio Science Park can make a significant contribution to the earning capacity of the Netherlands. This is the finding of the National Investment Agenda presented today.

Getting to know all his colleagues as fast as possible, and learning about the faculty’s strengths: these will be Jasper Knoester’s first challenges. Jasper became the new Dean of the Faculty of Science on 1 January, and he is optimistic about the corona restrictions. ‘Obviously, this isn’t the start…

The world is in turmoil. International wars and conflicts have been raging for some time. And political and social developments are causing insecurity, uncertainty and unrest. This has not gone unnoticed within our university community. We have seen protests, demonstrations and other incidents. This…

Jasper Knoester, decaan van de Faculteit Wiskunde & Natuurwetenschappen, blikt terug op 2025 in "het jaar van Jasper".

Afghans who came to the Netherlands in a hurry, refugees who were used as leverage by Belarus and boat refugees who tried to reach Europe in an increasingly desperate manner: the newspapers were once again filled with news about migrants. Today, on International Migrants Day, we talk to professor Marlou…

The highly successful deep-sea telescope KM3NeT can now expand both its size and scope. Using a new type of microphone for underwater use, the telescope will attempt to detect the sound produced by neutrinos as they travel through the sea. The data collected will also be of great interest to other research…

Although fighting the culture of top-down education and stimulating lecturers’ confidence to adapt courses to local context priorities is no easy job to complete in three years, the “SLEEI inheritance” already has three main components.

The Guggenheim Fellowship is a prestigious award for US nationals. There are more than 3,000 applications every year, and this year only 188 were honoured. Professor Jonathan Silk is one of these 188, the first ever at Leiden University, and he tells us more about the fellowship and what he will do…

Despite a lack of specific legislation on this issue, Dutch Minister of Justice and Security Dilan Yeşilgöz is allowing the national police force to experiment with facial recognition technology.

From 25 March to 15 April, the photo exhibition 'NATO and the Netherlands: A Journey' will be on display on the third floor of Wijnhaven.

On May 8, the Faculty of Archaeology celebrated its yearly End of Academic Year Event. The event was a chance for staff and students to mingle, while enjoying a nice meal together.

On 9 October 2023, Carlotta Rigotti and Eduard Fosch-Villaronga participated in the BIAS webinar on citizen science and AI technologies, namely the first awareness-raising activity of the Horizon Europe BIAS project. They discussed online citizens’ engagement on tackling gender and intersectional biases…

In the University elections in April, the eight student seats on the University Council have gone to six parties, and newcomers the Liberal Student Party and the Party for Biomedical Students have each won one seat.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

It was meant as a joke for friends and family. A quick snap of him with his bags packed while watching the exit polls of the Dutch general elections. But the photo of our colleague Ilyasse El Boujadayni soon found its way around the entire country and before he knew it, he was being invited by national…

Pablo Merayo Montes recently joined the Institute for History as a PhD candidate within the NWO-funded project 'Dutch guest workers in 18th century Spain’ under the supervision of Raymond Fagel. Below, he introduces himself.

From March 1, Alenka Prinčič will be the new Head of the Centre for Digital Scholarship (CDS) at Leiden University Libraries. Her expertise in the areas of Research Support, Research Infrastructures and Open Publishing as well as her longstanding experience as a manager are excellent starting points…

Four university medical centres, including the LUMC, are joining forces to increase pandemic preparedness in the Netherlands.

On January 28 and 29, 2021 the conference ‘Imperial Artefacts: History, Law and the Looting of Cultural Property’ took place online. This first of its kind event at Leiden University was an interdisciplinary online conference and brought together (post-)colonial historians, legal historians, curators,…

On 10 June 2022, a conference on topical issues in Dutch subsidy law was held at the Old Observatory building of Leiden University. With almost 90 enthusiastic participants, it was a huge success!

Within her research, Janna Marie Bas-Hoogendam covers multiple fields of study, like psychology and psychiatry. For this interdisciplinary work she will receive a major private science prize from the Foundation for Interdisciplinary Behavioural Research (SIGO). Why does the Leiden neuroscientist think…

The European Commission awarded the project proposal INSIGHT, a follow-up project on illegal firearms trafficking and gun violence from Professor Social Resilience and Security Marieke Liem and PhD-researcher Katharina Krüsselmann of the Institute of Security and Global Affairs (ISGA).

As of 1 September, Michel Mandjes has been appointed full professor of Probability and Operations Research at the Mathematical Institute. He succeeds Frank den Hollander, who will retire on 1 October. ‘The combination of deep thinking on your own combined with working towards solutions together with…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

Athanasios Stathopoulos is a University Lecturer at the Institute for History since August 2019, but has been a familiar face at Leiden University since 2015. He introduces himself below.

When are you (sexually) mature? A KNAW grant will enable associate professor Rafal Matuszewski to organise an interdisciplinary workshop on this question.

Rahul Gandhi, former president of the Indian National Congress, was on the Hague Campus on 10 September.

You can hardly avoid it if you want to quickly implement satellite internet. Elon Musk's company Starlink is "all-powerful in space" (Volkskrant). Dutch newspaper de Volkskrant wrote an extensive article on the situation and the possible dangers and alternatives. For this, they interviewed several experts,…

As a Leiden University’s master’s student in Political Science you conduct independent research and report your findings to fellow academics and, who knows, to a larger audience. Your thesis is a showcase of your academic skills and personal interest, and perhaps even passion. Easier said than done,…

On 30 October 2025, Eleonora Dagienė successfully defended her PhD thesis at Leiden University, titled ‘Quantitative Research Assessment and its Unintended Consequences’.

What is life like as an academic? Twelve PhD candidates will report on their daily work in videos and blogs on the Faces of Science website (in Dutch). They include three researchers from Leiden who are researching topics such as North Korean support for African liberation movements, how differently…

Lukas Milevski is a lecturer in International Studies at the Institute for History. He introduces himself.

The development of the Humanities Campus is entering a new phase. On 13 June, the Municipal Council approved both the zoning plan and the visual quality plan. This means that the university can now go forward with developing the new construction and the central green square on the Doelen side of the…

Forget Python, Java and Scratch: there is now an accessible programming language for children. This is Hedy, invented by Dr. Felienne Hermans of LIACS. Thanks to a collaboration between Jetlearn, an online programming school based in Amsterdam, and Leiden University, Hedy now has translations in Hindi…

Earlier this week, a working group of the United Nations, comprising all 193 of its member states, adopted a consensus report on norms for responsible state behaviour in cyberspace. Dennis Broeders, full professor of Global Security and Technology at the Institute of Security and Global Affairs, Leiden…

Welcome to 2024! I hope this message finds you doing well and reenergised following the holiday season. With that said, I can imagine that many of us are not quite ready to be back in the classroom (either as a student or a lecturer)! The good news is that we have plenty of activities to jump start…

Saniye Çelik, Professor by Special Appointment of Diversity, Inclusion, and Policing at Leiden University, has received the Woman in the Media Award at Beeld & Geluid in Hilversum. She was selected as the winner by the jury from three female experts with the most votes.

Cathalijne van der Plas will become Professor of Private International Law (0.4 fte) at Leiden University as of 1 October 2021. She succeeds Prof. Sierd Schaafsma who has become a judge at the Supreme Court as of 1 May 2021.

Subtle changes in eye appearance can influence how people perceive others and affect their generosity. Articles from PsyPost and The Washington Post highlighted two experimental studies in which psychology researchers from Leiden University, including Mariska Kret, explored this phenomenon.