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

How can we best treat infectious diseases in people with obesity? Hospital pharmacist and PhD researcher Koen van Rhee studied how obesity affects blood levels of two commonly used medicines. He also developed a method for pharmaceutical companies to test new drugs on this patient group.

Last November, it was announced that the European Commission has awarded a Jean Monnet Chair to Professor of Tax Law Irma Mosquera Valderrama. She will use the grant to shape the EUTAXGOV project over the next three years.

Not all students spend the holiday season with family or friends. That is why the university is organising the fifth edition of the Winter Weeks this year. The goal remains unchanged: to offer both international and Dutch students who stay in Leiden or The Hague during the Christmas break a warm and…

On Tuesday November 25, 2025, Prof. dr. Sarah Cramsey travelled with students from her masters seminar on “New Approached to the Holocaust in Central and Eastern Europe” taught at the History Institute to Amsterdam for a unique opportunity. There, Ms. Lotte Sophie Groenendijk, an alum of the History…

The fight against insurgents, guerrillas and resistance movements is an ‘incredibly unpopular’ topic with experts and military personnel, says Professor by Special Appointment of Military History Thijs Brocades Zaalberg in his inaugural lecture. He warns that ignoring these forms of irregular warfare…

Honduras recently severed diplomatic ties with Taiwan after 82 years. In doing so, the country is following the trend of other Central American countries that have turned their backs on the Asian island in recent years. Why are these countries making this choice now and what does it mean for Taiwan's…

The left is gaining more and more ground on the political map of Latin America, with the elections in Colombia as the most recent example. But what’s behind this pull to the left? Professor of Modern Latin American History Patricio Silva talks about the current political situation in the region.

The FIFA World Cup will get underway in Qatar this November – an event that has attracted much discussion in recent years. This discussion is not only centred on sport. Human rights are in the spotlights in Qatar. On Friday 30 September, Leiden University organised a debate in which experts from various…

Organisation

For their research many neuropsychologists use the brain scanners at the LUMC. At the start of the pandemic, the rules for visiting the hospital became stricter and a large amount of psychology research looked as though it would fall through. Thanks to good protocols the researchers can now pick up…

From energy transition to the nitrogen crisis: artificial intelligence can be of great help. Researchers from the three universities in Zuid-Holland are seizing the opportunity. Three of them talk about collaborative research in the AI for Energy and Sustainability focus group within the Zuid-Holland…

It is more myth than reality that people with migration backgrounds commit more crime. Leiden has successfully tackled anti-social behaviour by Moroccan youths, says former mayor Henri Lenferink. Good education forms the basis of a healthy and safe society, says ‘crimmigration’ researcher' Maartje van…

Four prints, ten years of research. Not that she got bored of them, on the contrary. Corrie van Maris, who receives her PhD this week, has always remained fascinated by her 17th-century series, for which she feels so much love. ‘I kept seeing different, new things.’

The new academic year is on its way and for most students it takes some getting used to being present at the KOG every day. What about international students? We spoke with three internationals who have been studying at Leiden Law School since this academic year.

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

In 2025, students, lecturers, researchers and alumni of the Faculty of Humanities were once again at the heart of society. They demonstrated the importance of the humanities through their groundbreaking research, meaningful education and strong collaborations.

My colleagues and I have been devastated to learn that our good colleague and friend Stefan Landsberger (born 1955) passed away unexpectedly, on 26 September 2024. Stefan had been a fixture of China Studies in the Netherlands, where he had been Associate Professor of contemporary Chinese History and…

The Faculty of Humanities' Justice, Equity, Diversity and Inclusion (JEDI) Fund provides small grants to initiatives in support of diversity and inclusion, with specific emphasis on creating an inclusive learning environment.

A new collaborative monograph of democratic theory, The Sciences of the Democracies, was released by UCL Press on August 7. The book, in the style of a democratic manifesto, is written by a large number of co-authors in a bold attempt to expand and deepen how democracy is studied and understood. Among…

To read Chekhov in the ‘original’. That was what motivated Arie van der Ent to study Slavic languages and literature with Karel van het Reve at Leiden University. ‘My love for Chekhov hasn’t faded,’ says Van der Ent from his home 60 kilometres south of Kyiv. ‘But it has for the rest of Russia.’

An e-coaching programme helps people with chronic kidney disease, particularly in areas that patients themselves want to work on. ‘A healthy lifestyle is important for patients with kidney disease: it can slow down the loss of kidney function and there will be fewer complications,’ Katja Cardol explains…

Sexual harassment was the theme of the recent annual symposium of student ambassadors to the Leiden-Bollenstreek police in collaboration with the police and the municipality. An extremely important issue to students − if the 100 places being claimed as soon as the symposium was announced was anything…

Members of the End Fossil climate action group, including students from Leiden University, have occupied two rooms in the Lipsius building at the Faculty of Humanities today (23 November 2023).

It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…

Pre-University College The Hague is celebrating its fifth anniversary in 2024-2025. Three alumni look back on their experience. PRE broadened their academic horizons and taught them a lot about themselves. ‘PRE made me feel more comfortable at university'.

Photographer and Visual Ethnography alumna Wilke Geurds captured special encounters during her travels. As an anthropologist, Wilke is always curious about other countries, people and cultural customs. That curiosity forms the core of her new photo exhibition, which can be seen during the Kunstroute…

Sexual exploitation of children abroad: the Dutch government calls on its citizens to not look away from 'suspicious situations’ while turning a blind eye to the root causes of the problem themselves. Koning, who recently obtained her PhD on transnational sexual exploitation of children from Leiden…

Photographing fluorescent flowers, searching for frogs and shooting tropical cucumbers out of trees: this is only a small part of the course Tropical Biodiversity and Field Methods. For this class, master’s students biology traveled to Malaysian Borneo for two weeks to gain experience in fieldwork.…

An impressive speech by Dean Jasper Knoester, a lecture by top researcher Mario van der Stelt about brain messengers, and the presentation of the faculty awards. 2025 begins on a hopeful and festive note, with a toast to a year of fruitful collaboration within and beyond the faculty.

Four PhD candidates from Leiden University started the two-year Europaeum Scholars Programme this month. They have now completed the first week of the programme. How was it and what do they expect from this programme?

Should we cut our ties with Israel or maintain them? The event ‘A university conversation on Israel/Palestine’ on 1 July revealed the depth of feeling about the conflict, with students and staff grappling with academic values and moral dilemmas.

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

As staff, we can help every day to create a culture of dignity and respect, says HR specialist Bregje Speet. ‘It boils down to the question of how to treat each other normally. And what we consider normal to be.’

Alicia Schrikker doesn't usually get involved in urban history. As a senior lecturer, her research field is generally the colonial history of Asia and partly South Africa. So, the fact that she is going to carry out an urban history research project together with colleagues, is something that even she…

The LUCAS Dissertation Prize has been awarded to Dr. Renske Janssen for her PhD thesis Religio Illicita? Roman Legal Interactions with Early Christianity in Context.

A number of young researchers recently took part in a knowledge mission to Indonesia, aiming to build a lasting relationship with the country. How did they find the trip, what did they do, and how are they creating new connections with scientists in Indonesia?

The outbreak of coronavirus has radically changed our life and work. We have had to work, teach and conduct research from home. How has coronavirus changed your work? What do you miss most? And what is keeping you going? We asked a few colleagues.

In this series the Vice-Dean and portfolio holder of education in the board of the Faculty of Archaeology will reflect on the state of education. Posts can range from shedding light on current national shifts in the university landscape to arguments as to why it’s important to be timely with designing…

Ratna Saptari is since 2007 Assistant Professor at the Institute of Cultural Anthropology and Development Sociology. She has always been involved with issues of human rights and Indonesian workers' rights. This August she retired. But she won't sit still. She continues her voluntary work and wants to…

Chaos in the Lipsius building! Master's students zigzag through the classroom, write on whiteboards and discuss tensely. In a simulation of the Leiden Leadership Programme, they experience what it is like to deal with a crisis as an office holder.

Within a single generation, the digital world has changed completely: from a technical niche for ‘nerds’ to a reality that affects everyone. Cyberattacks, data breaches and system failures can disrupt essential social processes. How can we ensure that our society remains digitally resilient?

Historians recently started preliminary research on Leiden University’s role in colonialism and historical slavery. Our knowledge about this is too limited and fragmented. They are looking with fresh eyes at Leiden’s archives and collections. An interview with historians Alicia Schrikker and Ligia G…

Three alumni of our Master’s degree programme in Ancient History talk to us about how they found a job after graduation during the coronavirus pandemic. During the interview, Gabriël hung a huge board covered in post-it reminders behind his laptop, Molly was glad that the members of the selection committee…

Corinna Jentzsch, Assistant Professor of International Relations at the Institute of Political Science and co-convener of the Leiden University Center for International Relations (LUCIR) has conducted extensive fieldwork in Mozambique. Her resulting book, Violent Resistance: Militia Formation and Civil…

Once a year, former employee and avid runner Dennis Hoencamp returns to his old workplace. That’s when he competes in the Leiden Science Run. As an event coordinator, he once devised the relay race as an anniversary activity. It grew into an annual event for the entire University and the Bio Science…

High-quality education, research involving multiple faculties, collaboration between universities and central government funding to make all this possible: these were the topics covered in a working visit of the Standing Committee for Education, Culture and Science (OCW) to the Association of Universities…

The Netherlands-Flemish Institute in Cairo (NVIC) is celebrating its 50th anniversary this year. Thousands of students and researchers from eight partner universities in the Netherlands and Flanders have been able to gain valuable experience in Egypt through the institute. Good reason for a celebrat…

Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

There is a reasonable chance that you came to this reading list through a social medium. Now it's our job to keep your attention. We are going to do our best. There are so many distractions; from notifications on your phone, to another screen near you, that may also be screaming for attention. Every…