Professor Ariadne Schmidt and Associate Professor Arie van Steensel (University of Groningen) have produced A Companion to Medieval and Early Modern Leiden, the first English-language history of Leiden. Mayor Peter Heijkoop received the first copy.

'Let's make this a twice-yearly tradition!'– a feeling shared by many after the vibrant Research Day. Engagement started early, with participants connecting informally over good coffee before the formal start of the event on 19 November.

Eduard Fosch-Villaronga, Associate Professor at eLaw, presented his work on ‘Aligning rules and actions in digital innovation’ at the conference on Technology and Sustainable Development, This event explored whether technology can be used to fix the very problems caused by technology, encompassing social,…

A consortium of research infrastructures focused on water quality has received €4.18 million in funding from the Dutch Research Council (NWO). This grant will support the transformation of outdoor laboratories at Leiden University, NIOO-KNAW, Radboud University, and Wageningen University & Research…

Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…

It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…

With the appointment of Dennis Janssen as operational director at the end of last year, the management team at the Observatory is now complete. Janssen has been working at the university for over twenty years, but the faculty and the Observatory are new to him.

Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

The European Network on Teaching Excellence invites applications from interested Academic Staff to participate in a five-day intensive training on PhD supervision excellence.

Marloes van Noorloos is appointed Professor of Criminal Law and Criminal Procedure at Leiden University from 1 February 2025.

On Saturday, February 11, 2023, at the Dies for Alumni event, archaeology alumni Everest Gromoll was awarded the LUF Thesis Prize. His thesis, titled ‘Neolithizers by Nurture’, explores parallels between the only two comparable climatic shifts in the history of modern humans: that of the one 12,000…

From malaria parasites as a vaccine to how top-level bureaucrats reach their decisions: seven researchers from Leiden University have received a Vidi grant from the Dutch Research Council (NWO). This 800,000-euro grant will enable them to develop their own innovative line of research over the next five…

The Fritz Zwicky Prize 2022 for Astrophysics & Cosmology has been awarded to Prof. Ewine F. van Dishoeck for her pioneering, decades-long work in astrochemistry and molecular spectroscopy, as well as for her leadership within the astronomical community. The award was announced today by the European…

It is with great sadness that we learned that our colleague Leo Waaijers, guest employee at our institute, passed away on August 1 after a short illness.

Long into the 19th century, seascapes were considered an expression of patriotism. Artists who painted in a 17th century style were valued more. This tradition stifled innovation in the genre, Cécile Bosman has concluded. She will defend her PhD thesis on 13 October.

Due to the increasing resistance to certain antibiotics, the life-threatening condition sepsis is becoming harder to treat. For her PhD project, Leiden pharmacologist Feiyan Liu used mathematical modeling to find out how antibiotics can be used more effectively to cure sepsis.

Studying abroad and going on an exchange is a great way to broaden your horizons and explore new places, cultures, and fields of study. In addition to a full-semester exchange, there are many other possibilities such as a summer school or an internship. For example, Bart Geldermans, Public Administration…

Science Europe has selected CWTS at Leiden University and the Know Center (Graz, Austria) to conduct a study into the links between open science and research cultures.

Mathematics can help predict thrombosis. Mathematician Mark Alber has developed models that even aid in suggesting treatments. In the Kloosterman lecture on 27 June, he will explain how this works.

For the eleventh time in a row, Leiden University’s unique liberal arts and sciences programme has been awarded the ‘Top Rated Programme’ quality seal by Keuzegids universiteiten 2024.

How do you compare the living environment of Dutch dairy cows with that of Masai cattle in East Africa? And how can we reverse biodiversity loss? These questions are central to CurveBend, an international research consortium in which ecologist Michiel Veldhuis plays a key role.

Ever since its foundation, Leiden University has turned its gaze outwards to other cultures, languages and forms of academic practice. It is only natural, therefore, that we as a university have four institutes abroad: the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV-KNAW)…

In the new Annual Report 2020 we report on not only the research and teaching, but also the knowledge transfer, operational management and general policy at Leiden University in 2020. The report is divided into a general section and a section with the figures, i.e. the university’s financial stateme…

With the help of the JEDI fund, Fatima al Moufridji and Thijs Porck went in search of cultural contacts between early medieval England, Northern Africa, and the Middle East. Together they made four knowledge clips that can now be seen on YouTube.

Politicians from Forum voor Democratie (FVD) regularly retweet anti-Semitic accounts. They therefore promote players from a social media network in which anti-Semitism is commonplace. This ranges from conspiracy theories about George Soros to hate speech about Jewish people drinking children’s blood.…

Graduation Ceremony of the LL.M. Advanced Studies in International Children’s Rights 2024–2025

With the holidays just around the corner in this dark month of December, when we light candles as a symbol of warmth and hope, we would like to take a moment to reflect on this past year. We have accomplished a great deal together but the year has been difficult at times.

Mum works in healthcare, dad in engineering and everyone is straight: many textbooks still show men and women in stereotypical roles, PhD candidate Tessa van de Rozenberg has discovered. She also found that children’s views on these topics often closely resemble those of their parents.

How can The Netherlands, France and Germany cooperate more closely on issues such as European security and defence. Join the kick off of The European Strategic Dialogue Series, an initiative by the Institute of Security and Global Affairs and its partners in France and Germany. Joachim Koops tells more…

Writer and columnist Nicolien Mizee will be Leiden University’s new writer in residence from autumn 2023.

A team including staff from Leiden University won the Open Initiative Trophy on 11 February, a prize for the best open science initiative in the Netherlands. The winners developed Reprohak, a hackathon-like event where participants repeat research to see whether the results were reproducible.

Specially for an experiment conducted by Leiden University, public administration experts and water authority officials came together in a laboratory.

Public Administration student Iris did an internship at the Ministry of the Interior and Kingdom Relations. During her internship, she dealt with election accessibility.

On Monday 12 January, Joanne Mouthaan, associate professor in the Clinical Psychology section, received the Senior Qualification in Education (SKO). Within the university, increasing importance is being attached to recognising and valuing different career paths. Not only research, but also education…

On Tuesday, February 10, 2026, Professor Saskia Jaszoltowski, the new Visiting Professor for Central European Studies at Leiden University joined students, colleagues and friends of Austrian Studies at Leiden for a lunch-time talk that introduced her exciting research to our community.

In recent decades, women in Japan and South Korea have been catching up in terms of educational achievements and economic activity. Yet the number of women in leadership positions is still lagging behind. PhD candidate Yorum Beekman investigated why this is.

The Service Centre International Staff supports and advises all international staff at Leiden University. Not just about things like immigration, accommodation, taxes, insurance and dual career, but also about the social side of things like feeling welcome and at home at Leiden University. SCIS’s recent…

A number of organisational changes have been implemented in the faculty office of the Faculty of Humanities. This has led to the creation of BAS: the department responsible for Policy, Advice and Strategy. Department heads Marcel Belderbos and Tim Lamers introduce themselves and the new department.

After two years in the Faculty Board, Student Assessor Imen el Idrissi makes room for a successor per September 1, 2024. Let’s meet the new Student Assessor Lidwien Meulenkamp. ‘I enjoy communicating with people.’

Students in the third year of the BA International Studies programme follow the Practicing International Studies (PRINS) consultancy course. They conduct a project put forward by real clients and then present them with their research results. PRINS is so successful that it has now been running for 10…

The university was a gift from William of Orange to the people of Leiden for their courageous resistance to the Spanish. We’ve all heard the story of the university’s foundation. But its foundation was also a success story for two friends.

Leiden University addresses the UN on children’s rights

An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…

There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

If it is up to university lecturer Evelien Walhout, in a year's time we will know exactly what people from Haarlem and Zwolle died of a century ago. Together with colleagues from other universities, she started the doodsoorzaken.nl platform, where causes of death are recorded. ‘Somewhere around the…

Ilze Bot wants to reduce the prevalence of cardiovascular diseases. Her research focuses on mast cells, which protect us from infections but can also make us ill.

The international Planetary Health Alliance network is a consortium of more than 450 organisations committed to addressing the health impacts of global climate and environmental change. Planetary Health education coordinator Laura Warmerdam explains why our university recently joined and how this will…

De Starting Grant wordt jaarlijks door de European Research Council (ERC) toegekend. Dit jaar zijn er in Nederland 51 onderzoekers die een Starting Grant ontvangen, waaronder 4 onderzoekers van FSW.

ACPA alumnus Gabriel Paiuk is releasing a new album, titled Degrees of Transparency, on the Unsounds label.

On the occasion of the 440th DIES NATALIS, celebrated on Monday 9 February, Leiden University proudly awarded an Honorary Doctorate to William Christie, renowned harpsichordist, conductor, musicologist and teacher, and the foremost pioneer in the renewed appreciation of Baroque music in France, notably…