How can more people take ownership of technology? Underlying this question is the assumption that not enough people currently own technology. According to Reijer Passchier, Associate Professor of Constitutional and Administrative Law in Leiden, and Professor of Digitisation and the Democratic Rule of…

Donald Trump’s re-election: it could become reality after the November 2024 elections. According to various experts across Europe and the US, Europe needs to prepare for the potential implications of this scenario for European security. Professor Luuk van Middelaar, an expert in European Law, discussed…

Researchers found a way to run programmes that should be impossible to carry out on an imperfect quantum computer. Such programmes are very computationally demanding and the quantum computers that currently exist are not yet up to that task. Unless you use a clever trick, Simon Marshall and Vedran Dunjko…

There was a lot of fuss last week about the ‘dragnet law’, in which intelligence services are now authorised to conduct large-scale tapping of cable communications. The public image here is that the privacy of innocent citizens will almost certainly be violated. Paul Abels, professor of governance of…

On 21 January 2021, Fachrizal Afandi defended his thesis ‘Maintaining Order: Public Prosecutors in Post-Authoritarian Countries, the case of Indonesia’. The doctoral research was supervised by Prof. A.W. Bedner and Prof. J.H. Crijns.

The peer-reviewed article by Salvador Santino Regilme, titled “Crisis Politics of Dehumanisation during COVID-19: A Framework for Mapping the Social Processes through which Dehumanisation Undermines Human Dignity,” has been named as a finalist for the John Peterson Best Paper Prize 2023 by The British…

During the coronavirus years 2020 and 2021, Dutch citizens became poorer, more anxious, less free and more rebellious. The State gained more power and entered the lives of citizens in all manner of ways to protect their health. Only recently did the State give citizens their freedom back – in part.

Wednesday 18 January 2017, a university-wide meeting was organized on the upcoming alterations with regard to the role and tasks of Study Program Committees (Opleidingscommissies; OCs) within Leiden University.

In the series 'Kracht van Sportdata' (Power of Sport data) Rens Meerhoff, postdoc at the Leiden Institute of Advanced Computer Science (LIACS), held a lecture about tactical behaviour based on positional data.

American foreign policy in the period after the Second World War is often characterised as liberal. This is, however, not the full picture, argues university lecturer Andrew Gawthorpe. He has been awarded a Vidi grant to research and rewrite this popular narrative.

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: development researcher David Ehrhardt.

The Special Issue, edited by Jorrit Rijpma, Melanie Fink, Kristof Gombeer, and Anna Petrig, contains a selection of contributions from the Conference organised by the Europa Institute on the topic of the EU and Maritime Security in October 2018.

The Economist published an article about a working paper about the effects of democratic elections on satisfaction with democracy. The paper was written by Dimiter Koshkov, Associate Professor at the Institute of Public Administration and Honorata Mazepus, Assistant Professor at the Institute of Security…

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

The universities of Tokyo and Leiden are installing a rotating chair named after Professor Hisashi Owada. The Owada chair will focus on interaction between international law and international relations through interdisciplinary approaches. Dominique Moïsi, a professor at King’s College in London, will…

Paramagnetism. An obscure occult practice? No. It’s one of the newest scientific methods for mapping the behaviour of proteins with great precision. Marcellus Ubbink has been awarded 3 million euro by NWO and Leiden University to purchase a very powerful instrument. The goal: to acquire greater insight…

Hans-Martien ten Napel has been awarded a Research Fellowship in Legal Studies at the Center of Theological Inquiry (CTI) at Princeton University, USA, which enables him to be in full-time residence at CTI for the academic year, 1 September 2014 to 31 May 2015.

Advisory Board member Colin Sage shares insights about the Food Citizens? project.

Camilo Erlichman recently joined the Institute for History as a lecturer in International Relations. He introduces himself.

The latest forum in the Hague Journal of Diplomacy highlights the rich potential for interdisciplinary research at the intersection of architecture, diplomacy, and international relations. These contributions, spanning from the early American republic to the contemporary era, reveal how diplomatic spaces…

At the annual conference FYSICA of the Netherlands’ Physical Society (NNV), Leiden postdoc Scott Waitukaitis has won the Young Speakers Contest.

Is it ever truly silent? In this TEDx talk at the University of Leiden, ACPA PhD Guy Livingston delves into the meaning of silence and its power and encourages us to seek it in our own lives.

Utrecht University is looking for two researchers (1 PhD candidate and 1 Postdoc) to form the team of the VIDI project Lettercraft and Epistolary Performance in Early Medieval Europe, 476–751 CE, granted to dr. Robert Flierman and running from 2023-2027. As a PhD candidate, you will conduct a case study…

In February 2015 professor Bob Wessels recorded a video lecture of some 30 minutes on the Recast of the EU Insolvency Regulation. The lecture explains the key topics of the renewed tekst for the European Insolvency Regulation.

Society has an impact on what is viewed as heritage. Susanna de Beer investigated how heritage can be made enduring by making use of it in the present. Lars de Kruijf, student of Dutch and Journalism New Media, spoke with Susanna de Beer.

An Honours Class about the ostensibly unrecognisable worlds of insular Southeast Asia teaches students a fundamental piece of wisdom:

Should we be deeply concerned about the America of Donald Trump? Or will he bring about positive change? This was the main topic of discussion between researchers and students at the Big Leiden Presidential Breakfast on 9 November.

With new algorithms and supercomputers, an incredibly detailed radio map of the universe was created. Now astronomers can look at radio data of galaxies with much more precision. This was published in Nature Astronomy by Leiden PhD student Frits Sweijen and colleagues.

Almost all the members of the Dutch House of Representatives, ministers and government officials are university educated. At the same time, the large majority of the electorate have a lower level of education, or even no education. How much of a problem is that? Two new books warn about this gap in…

After the May elections a new University Council has now taken seat. The university democracy is the result of the long-lived national student protests in 1969. Students from Leiden joined the protests for greater representation, although their actions were less revolutionary than at other universities.…

Not many scientists can claim to have received funding from NWO to blow bubbles and play with sand, but Martin van Hecke definitely can. Van Hecke, Professor of the Organisation of Disordered Matter, delivered his inaugural lecture on Friday 4 September, under the enigmatic title of: ‘Bellen, bollen,…

Promovendus Tristan Mostert onderzocht de ‘kruidnageljacht’ op de Ambonse eilanden en ontdekte dat VOC-gouverneurs extreme tactieken gebruikten.

How did Fustat develop between 640 and 750 to become the capital of Egypt? At the time Egypt was a province of the Islamic empire - the caliphate - that had been started by the prophet Muhammad. Original sources used by Arabist Jelle Bruning give new insights into the city. PhD defence on 2 April.

An image has great powers of persuasion. It is said that ‘a picture is worth more than a thousand words’. But these days, images can easily be manipulated with severe consequences. ‘Perhaps it’s time to reconsider the value we attach to images’, says Elize de Mul, whose PhD thesis deals with ‘digital…

Colonial art and artefacts were not necessarily looted. Pieter ter Keurs, Professor of Museums, Collections and Society, calls for more nuance in the debate on art and collectors’ items from a loaded past. Inaugural speech on 2 December.

The coal-power energy sector is using enormous amounts of fresh water which is projected to negatively affect lives and the ecological balance of the surrounding region. This is the conclusion of the new report The Unquenchable Thirst of Energy Production, published by Greenpeace Bulgaria and Leiden…

Following her appointment to the Chair in EU External Economic Law earlier this year, Prof. dr. Freya Baetens addressed the academic community of Leiden University with her inaugural lecture on 27 October 2023. In a highly topical lecture, Prof. Baetens examined the EU’s Anti-Coercion Instrument (AC…

Salvador Regilme recently joined the Institute for History as a lecturer in International Relations.

Exactly 230 students received their Bachelor’s Diploma of International Studies on 1 September 2017, in front of a large audience of family and friends. With almost 1,000 people present this was the largest graduation ceremony of the programme since its founding in 2012.

In March 2022, a considerable number of non-Western countries abstained (35) or voted against (5) a resolution deploring Russia’s aggression, its violation of the UN Charter and demanding the withdrawal of its forces from the territory of Ukraine. Even fewer countries subsequently actively supported…

Radio telescope LOFAR maps the sky. It produces incredibly detailed images of the universe - and vast amounts of data. Huub Röttgering, director of the Leiden Observatory, talks about the challenges of working with those enormous datasets.

Our research group and what we do:

Professor Beatrice de Graaf held the 53rd Huizinga Lecture on Thursday 12 December. In front of a a sold-out Stadsgehoorzaal, she spoke about how history can be used in times of crisis to give meaning to the situation.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2025.

Lecture, Research Seminar

To address the relevance of Christianity to the ideological negotiations with the officially established authority, this research will be conducted by asking how the history enthusiasts negotiate the Christianity-related ideology through reconstructing the Christian past and reproducing religious histories…

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