On 8 March, International Women’s Day, equal opportunities for women worldwide, empowerment, and gender equality take centre stage. For years, the role of women in the past has been nearly invisible. Four archaeologists reflect on this inequality of focus, from hunter-gatherers in the palaeolithic to…

Emeritus Professor of Molecular Astrophysics Ewine van Dishoeck has been named a Citation Laureate by Clarivate, a research analytics provider. Clarivate considers her an influential researcher of the calibre to win a Nobel Prize.

Violence such as assault or head-butting causes pain, shock and distress. It is often seen as savage or senseless. But for those who commit it, violence has meaning, argues violence researcher Don Weenink in his inaugural lecture.

Leiden University has become a member of OpenAIRE, a European non-profit e-infrastructure organisation that supports open science. Leiden University Libraries (UBL) submitted the application on behalf of the university.

Dutch troops, judges and politicians collectively condoned and concealed the systematic use of extreme violence during the Indonesian War of Independence. Historians have now shown how this could happen. ‘It was scandal management rather than prevention,’ says Leiden historian and research leader Gert…

It is with great sadness that Leiden Law School has learned of the sudden death of Professor Aart Hendriks on 9 February 2025.

Arco Timmermans, Bijzonder Hoogleraar Public Affairs, sprak deze week in het BNR Lobbypanel over verschillende lobbys, de lobby voor de kortere zomervakantie met een langere kerstvakantie en de lobby voor de stop van het steunen van het openbare vervoer.

PhD defence

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…

The fall of the Schoof cabinet comes as no surprise to Arco Timmermans, an expert in public affairs. Over a year ago, he advised informateur Kim Putters and already pointed out that a workable cabinet would only be possible if the parties took responsibility.

Lecture, LUCL Colloquium

In a new Leiden-Delft-Erasmus Universities white paper, researchers and practitioners start the conversation that society desperately needs to have. ‘We’ve outsourced the visionary thinking to tech companies.’

On this page we've bundled the best practices which will be presented during the Education Market of 19 June 2025.

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

Since the publication of the article in the interdisciplinary journal Nature, over 200 news outlets have showcased the pioneering research.

On Easter Monday, the spring holiday that commemorates and celebrates returning life, A.G.H. Anbeek van der Meijden passed away. From 1982 to 2005 he was professor of Modern Dutch Literature at Leiden University. To everyone who knew him—whether personally, professionally, through his teaching, or through…

Marjan van Dasselaar was appointed as the new ombuds officer for staff on 1 May. She will be working to create a safer working atmosphere within the University. 'There is a lot of pain felt by people who experience social insecurity. That pain always has to be taken seriously.'

Accelerating the development of new cancer medicines by joining forces—that’s the mission of Oncode Accelerator, a Dutch consortium that recently welcomed three Leiden-based PhD candidates. Under the guidance of Gerard van Westen, Marc Boef, Remco van den Broek, and Lucina-May Nollen are exploring how…

At Leiden University College, Jaap de Hoop Scheffer urged Europe to show unity and strength in a world defined by fear, power politics, and uncertainty.

Jeff Fynn-Paul, lecturer at Leiden University’s Institute for History, was recently awarded the European History Quarterly’s 2016 Prize for his article “Occupation, Family, and Inheritance in Fourteenth-Century Barcelona: A Socio-Economic Profile of One of Europe’s Earliest Investing Publics.”

It’s been exactly 20 years since Luris first began working with Leiden’s researchers and students to create an impact on society. To celebrate this anniversary, staff look back on their most memorable projects. Spoiler: they all had difficulty choosing one single project.

Kenan van de Mieroop recently joined the Institute for History as Assistant Professor. Below, he introduces himself.

When asked about the mission of the Leiden Jewish Studies network, Jürgen Zangenberg, Professor of Ancient Judaism and Early Christianity at Leiden University, and one of the organizers of the event says: “We try to keep the network as broad as possible, and to attract as many people from the outside…

As part of the LIAISON Research Project, Eduard Fosch-Villaronga and Hadassah Drukarch organised a workshop at the European Robotics Forum (ERF 2021) to engage the broader community in the projects’ goal of liaising robot development and policymaking.

Tahir Abbas, Professor of Radicalisation Studies at the Institute of Security and Global Affairs, is organising a book launch for his new book: 'Ruminations: Framing a sense of self and coming to terms with the other'. The book launch will take place on Thursday 15 December from 16.00-17.00 hrs. at…

Leiden ecotoxicologist Martina Vijver helped shake a European policy proposal in a single weekend. Not with a new experiment, but with years of research on pesticides – and an urgent letter that reached Brussels.

With a grant from the Digital Infrastructure Insights Fund D//F, John Boy and members of the d12n research cluster will explore new ways critical technologists try to align their work with digital technology with the political goal of defending the public interest.

Modern Arabic titles in the catalogue of Leiden University Libraries (UBL) can now also be consulted in original Arabic script. Taking away the need to transliterate titles, has made searching for Arabic source materials in the catalogue much easier and more efficient for users.

It was the Night of Discoveries on Saturday 16 September: a summer encounter between art and science. Leiden researchers from various disciplines inspired the public with their quest to understand our world.

Research

Researchers from Leiden University, University of York, University of Barcelona/IQTCUB/ICREA and The Francis Crick Institute report a new class of experimental compounds that powerfully block influenza viruses. The findings offer a potential new strategy for treating flu infections and preparing for…

Eleven researchers of the Faculty of Science are on the 2021 Highly Cited Researchers list of Clarivate Analytics. Only 0.1 per cent of researchers are included in this list, literally making them one in a thousand.

Manon Post and Efstathia Dionysopoulou recently joined the Institute for History as a PhD candidate and postdoc in the framework of the 'Anchoring Innovation' program. Below, they introduce themselves!

Over a thousand women ended up in a State workhouse between 1886 and 1934. This was a place for vagrants, beggars and drunkards: people who were said to be too lazy to work. Who were these women who were sent there? PhD candidate Marian Weevers found out.

On Thursday 2 June, the research conference for academic staff members of the Institute of Public Administration took place at the Beeld en Geluid venue in The Hague. The aim of the conference was to showcase the ongoing research conducted at the Public Administration and explore the potential for more…

More than 1.3 million people worldwide die of tuberculosis (TB) each year, making research on its prevention and control essential. Researchers from various disciplines in Leiden are studying TB. A symposium on 24 March will highlight different activities in the hope of boosting nationwide collabora…

Organisation

That the tax authorities are allowed to impose taxes is widely known. What is less well known is when the tax authorities must impose taxes. And what to do when one set of regulations requires the tax authorities to impose taxes while other regulations prevent them from doing exactly that? Vergouwen’s…

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

His article on ‘the War on Drugs’ in Colombia and the Philippines has been in the top five most downloaded articles of Oxford University Press for some time. Now, Assistant Professor Santino Regilme is to receive a NIAS grant to map out the global war on drugs.

LaTeX is a system for document preparation. It gives the user control over typesetting, references, complex formulas, and more. It is widely used in communication and publication of scientific documents in many fields.

In the new Annual Report 2022 we report on not only research and teaching at Leiden University but also ICT, real estate, personnel, finance, impact and knowledge transfer and more.

On July 28, 2022, our dear colleague Daniëlle Hamstra passed away after a short sickbed. Daniëlle had been associated with the Clinical Psychology Section since 2010, initially as a student in the research master's program and subsequently as a lecturer and PhD candidate.

On Friday 29 November, Leiden University transferred leasehold land to pharmaceutical company Janssen Biologics B.V., a subsidiary of Johnson & Johnson, in preparation for a new building on the Leiden Bio Science Park (LBSP). The healthcare company is expanding further on the park with extra laboratories…