The EU proposal for a regulatory framework on artificial intelligence will not prevent the dangers of cybercrime or the spreading of fake news using ChatGPT. Cyber criminals can use the new technology to write harmful software, phishing mails and fake news.

Pavel Durov, CEO of chat and messaging app Telegram, was arrested in France last week. The Russian tech billionaire flew into Paris by private jet and was arrested on suspicion of cybercrimes. Telegram allegedly facilitates criminal activities such as money laundering. This raises the question of how…

Europe is working full steam towards a digital identity for every EU citizen. And although it might be really useful to be able to hire a car everywhere in the EU with no hassles, Bart Custers, Professor of Law and Data Science at eLaw, the Center for Law and Digital Technologies, sees many loose ends.…

The more people are vaccinated, the more society can slowly reopen. Technological developments, like the Covid passport and other apps, can play a role in this. Artificial Intelligence could help greatly in developing the vaccine passport and the Covid-19 exposure notification app, Anne Meuwese and…

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

On 9 April 2020, Mohamed Azizi defended his thesis 'Reflecties op Wereldburgerschap: In de spiegel van Afghanistan en Nederland'. The doctoral research was supervised by Prof. P.B. Cliteur en Prof. W. Veugelers (Universiteit voor Humanistiek).

The German hand-reader Julius Spier (1887-1942) played an important role in the life of the Dutch Jewish diarist Etty Hillesum (1914-1943). This thesis argues that instead of being a charlatan - as he has become viewed through Hillesum's writings -, Spier was a talented hand-reader who 'psychologized'…

Corporeality, intimately bound to the notion of space, to the diffuse border that connects, entangles, and fuses an inside and an outside, is understood in this book as a space which puts the individual at stake as a war machine that, in its fight for a form of life, redefines political territories.

On 1 October 2020, Arianne de Leeuw defended her thesis 'Scheiding van zeggenschap en belang in de familiesfeer'. The doctoral research was supervised by Prof. F. Sonneveldt and Prof. A.O. Lubbers.

Paisaje, cerámicas e interacciones

This research aims to address the relationship between cinema and political thought in Latin America, in order to question a limited understanding of cinema politics, which has dominated the field of study since the middle of the last century, and to propose a different one that we will call politics…

On 7 March 2019, Maria de Jong-de Kruijf defended her thesis 'Legitimiteit en rechtswaarborgen bij gesloten plaatsing van kinderen'. The doctoral research was supervised by Prof. mr. M.R. Bruning en Prof. mr. T. Liefaard.

El Chorro de Maita, Cuba

Study information

This book is a result of the collective research project Urban Societies in the Port Towns of Atlantic Europe in the Late Middle Ages. It studies the connections between diplomacy and trade from a comparative and transnational perspective throughout medieval Atlantic Europe.

Iconografía, epigrafía e historia en los monumentos arqueológicos

Professor Jan-Bart Gewald has been appointed as the new director of the African Studies Centre in Leiden with effect from 1 September 2017, for a period of five years. Professor Gewald will succeed Ton Dietz, who will be retiring in September.

Marjam Peters has just started her four-month internship at NVIC. She also works on developing a research on gender and sexuality in Cairo. Read more..

Professor of number theory Peter Stevenhagen has been appointed to up the position of scientific director of the Mathematical Institute of Leiden University on 15 September. In this position he is the successor of Aad van der Vaart, who led the institute for the last four years.

Here is an interview of Susanna Lindberg made in 2023 by Bart Buseyne and Paul Cruysberghs and published in 2025 in La Deleuziana: « Il va falloir inventer » – Susanna Lindberg en conversation

Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs in The Hague, has received a Veni grant which will allow him to continue his research into the radicalisation of terrorists for the next three years. ‘In order to better understand terrorists, I will focus on the large…

Hoe kijken Nederlandse bedrijven naar online prijsdiscriminatie? Kimia Heidary, Bart Custers, Helen Pluut en Jean-Pierre van der Rest schreven hier een artikel over.

The Public Prosecutor's Office (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases for genealogical research in criminal investigations. The method could be used in serious criminal cases that have stalled and it is already being used in investigations abroad. Whether…

Peter Rodrigues, Professor Emeritus of Immigration and board member of the Netherlands Institute for Human Rights, recently dealt with a fascinating case in which a woman with Russian nationality felt she had suffered discrimination.

On 9 February, 2015, the 440th Dies Natalis, Peter J. Katzenstein will be awarded a Leiden University honorary doctorate in recognition of his contribution to the social sciences in general, and to political science in particular. Professor Katzenstein (Cornell University) is one of the most influential…

Since August 2020, Vasco has been living in a shelter for the homeless in Leiden, because he has no job and receives no social security benefits. He has no idea how long this will go on for. ‘I’m stuck in a vacuum. Because I don’t have a passport, I can’t register in Leiden, so I can’t get health insurance…

This August, the second edition of the Advanced Summer Programme

Leiden PhD student Peter Koymans has been declared ‘best mathematics PhD student’ by the Royal Dutch Mathematical Society (KWG). He received the prize at the Dutch Mathematical Congress (NMC) on 24 and 25 April. With his talk about his research into the Cohen-Lenstra conjecture, Koymans left eleven…

The book “Becoming a European Homegrown Jihadist” of Dr. Bart Schuurman, Assistant Professor at Leiden University's Institute of Security and Global Affairs (ISGA), is published by Amsterdam University Press on 22 March 2018.

Burnout is on the increase. It is caused by group pressure, being ‘on’ all the time and asking too much of ourselves. Clinical psychologist Bart Verkuil advises lowering our expectations.

Peter Stevenhagen delivered daily lectures at the Syed Babar Ali School of Science and Engineering in Lahore, in collaboration with ICTP, a well-known UNESCO institute in Trieste. The aim is to enhance it he knowledge of students from low- and middle-income countries. ‘By teaching here, I can truly…

The Dutch prefix ge- in historical perspective gives first of all a general account of the development of the word formation processes involving ge- in which special attention is paid to the participial ge-.

At the invitation of the Centre for Early Christianity and Its Reception (CECIR), Peter Liebregts, Full Professor of Modern Literatures in English (LUCAS), visited the University of Kent in Canterbury from March 17 to 20, to give a lecture and a masterclass.

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

Dr Peter Siegel, Associate Professor in Anthropology from Montclair State University, New York, has obtained a Fulbright Scholarship to participate in research and teaching in the Caribbean Research Group for four months. Dr Siegel will be a visiting fellow in the faculty from February to May 2012.

Legal philosopher Bart Jansen teaches at universities around the world. In an interview two years ago, he spoke about his professional fascination for dictators and wars. Since then, the world has undergone major changes. High time for a follow-up interview.

Op dinsdag 10 januari 2022 zijn tijdens de facultaire nieuwjaarsreceptie de jaarlijkse Meijersprijzen en de scriptieprijzen uitgereikt.

The Public Prosecutor’s Office Oost-Nederland, the Police in Oost-Nederland and the municipality of Steenwijkerland failed in their handling of a case involving discrimination in Giethoorn. This is the opinion of experts, including Professor Peter Rodrigues, in Dutch investigative journalism programme…

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

Drs. Bart Lenselink won the oral presentation at the LACDR Spring Symposium with his presentation “Predicting Drug Potency”.

Three novelists have won the first Leiden University Peter van Straaten Psychology Prizes: Esther Gerritsen, Yvonne Keuls, and Marieke Lucas Rijneveld. This is a prize for Dutch writers whose novels shed light on psychological problems and disorders. The prizes will be awarded on January 16.

Following news reports about racist comments made by Rotterdam police officers in a WhatsApp group, racism within the police force is back in the spotlight. ‘Dealing with this issue is a matter of urgency’, says Professor of Immigration Law Peter Rodrigues.

The judicial authorities are looking into the possibilities for prosecution for the slogans that were projected on the Erasmus Bridge in Rotterdam on New Year’s Eve. Not an easy task, according to legal experts. When do we consider something to be ‘discrimination’?

Since 2000 the Leiden Student Council (LSR) yearly awards a prize for the best teacher of the university at the Dies Natalis.

What makes South Korean films successful? In the first part of the video series 'The World of the Korean Wave', University Lecturer Peter Verstraten discusses the recent success of South Korean cinema.

The Netherlands sees thorny dilemmas placed with regard to the conviction of returning IS fighters. The Netherlands, like the other EU member states, does not respond to the Kurds' wish to take back 'their' Syrian people. Bart Schuurman, terrorism expert, states that an international tribunal, flanked…

Camille Lefebvre has been awarded the John Peters Humphrey Student Fellowship in International Human Rights Law, by the Canadian Council on International Law (CCIL).

Peter Grol and Edwin Bakker, professor of Terrorism and Counterterrorism at the University, presented their book ‘Dutch Jihadists’ for a large audience. The book tells individual stories of jihadists in Holland and of Syria-goers and should contribute to a better insight into their backgrounds and m…

After the kick-off on 28 November, the next ILS Lunch Seminar will take place on Monday 19 December. During this lunch seminar series all researchers from Leiden Law School can present their research. The idea is to hear in a simple and nice way what researchers from other research programs and institutes…