Lecture, LUCL Colloquium - Series '24/'25

An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

On 22 and 23 November 2018, the international conference ‘Safeguarding Children’s Rights in Immigration Law’ organized by the Institute of Immigration Law and the Department of Child Law took place at Leiden University. Currently, there exists tension between the idea that children deserve specific…

Doing a PhD on the side? External PhD candidates, like Joost Van der Helm, just get on and ‘do it’. Besides his hectic job as a justice at the Court of Appeal in The Hague, Van der Helm managed to still find time to write a PhD dissertation.

Dear colleagues and students,

The Dutch press has given the anniversary exhibition in the Leiden Meelfabriek some rave reviews: ‘Global Imaginations is amusing and confrontational.’ The exhibition celebrates the 440th anniversary of Leiden University and can be seen until 5 October.

Teaching during the corona crisis, the high workload and the challenges faced by the Faculty of humanities. In an online working visit to Leiden University on 12 October, Minister for Education, Culture and Science, Ingrid van Engelshoven, discussed the hot topics of the day with the Executive Board,…

Op welke manieren kan inclusieve communicatie ervoor zorgen dat mensen zich welkom voelen? Hierover ging het D&I-symposium van Universiteit Leiden.

On Wednesday 19 and Thursday 20 April 2023, the Foundation Bob Wessels Insolvency Law Collection (BWILC) organised its fifth PhD Workshop on European and International Insolvency Law.

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: pioneering with podcasts. What are the do's and don'ts? Two teachers and a student share their thoughts.

Streptomycetes are similar to moulds, but these bacteria live in the soil. They are very popular in biotechnology because they produce a great many antibiotics and enzymes. Gilles van Wezel will be using his Vici subsidy to study ways of increasing their production.

Curiosities from the anatomical theatre, swords from the fencing school and 17th-century portraits of the University's founders. The new University Room in Museum De Lakenhal portrays the turbulent first hundred years of Leiden University.

The projects of nine researchers at Leiden University have received funding through the new NWO Science Diplomacy Fund. The Fund is for scientific activities that will improve relations between the Netherlands and other countries.

Guus Heerma van Voss, professor emeritus of labour law, delivered his farewell lecture on 18 October and held a mirror up to his colleagues and himself. Had they done enough to ensure the welfare state keeps up with the times? ‘Did we just stand by and watch?’

After 45 years at Leiden University, it is time for Kees Goudswaard to retire. In his farewell lecture, he reflects on developments in his field: social security.

In this blog post, Paweł Surowiec and Ilan Manor draw on insights from their edited volume Public Diplomacy and the Politics of Uncertainty.

When politicians claim they can make major differences with their migration policies, they’re raising false expectations. The opportunities for the government to restrict migration are in fact very limited. And what about the little room they do have? Mark Klaassen’s advice is to make use of those opportunities…

The Sackler Distinguished Lecture Series on Human Rights was established at Leiden University through an endowment given by Dr. Raymond R. Sackler and his wife, Beverly, international philanthropists with a commitment to supporting scientific research. The lectures mark the annual celebration of International…

On Friday 5 September, to mark our 450th anniversary we celebrated the opening of the faculty year together with the Leiden Revisited alumni event. Combining both annual events was a huge success, especially as staff brought along their family, partner or friends.

Last Friday was Master’s Open Day time once again. Students from home and abroad descended on Leiden and The Hague to find out more about our master’s programmes. Alongside the presentations, the information fairs gave them a good opportunity to ask any questions.

The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…

How to innovate education? In this series, the Honours Academy highlights examples from their educational testing ground that aim to inspire. Today: the liberating effect of pass/fail and ‘unessays’ at Honours College Law.

Alternative demonstrations were held in Leiden and The Hague on Thursday 14 November after the national protest in Utrecht was cancelled. Leiden University supports these protests, which were organised by WOinActie. Read our live blog of the demonstrations.

Labour law professors have shaped research and education in Leiden since 1936. From the rise of trade unions to the AI revolution, the field has constantly evolved. Major changes are on the horizon again in 2026. 'Labour law will always be important.'

The research of the Mathematical Institute is driven by the curiosity of its members and has many internal and external connections. It can be characterised as fundamental but with an open attitude towards applications.

Shyness is perfectly normal, Michiel Westenberg stated in his farewell lecture. But that doesn’t mean that social anxiety shouldn’t be identified and addressed in good time. ‘Serious shyness has strong genetic roots; you don’t just get over it.’

On 7 February, the first co-creation event of the Expanding (Event) Horizons project took place at Leiden University. Nearly 30 educators, scientists and consultants from diverse backgrounds designed inclusive projects for engaging students from underrepresented minority groups with educational Science…

A group of patients were given a guided tour of the larger than life Rembrandt canvases on University buildings around the Rapenburg canal. This was with the help of students from Present, a volunteer organisation, who pushed their wheelchairs over the bumpy cobblestones. The canvases are on show until…

How do cells repair their damaged DNA—and what happens when that process is hindered and cancer arises? Sarah Moser has taken a closer look during her PhD, uncovering surprising insights that could help improve future cancer treatments.

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…

A flake of limestone (ostracon) inscribed with an ancient Egyptian word list of the fifteenth century BC turns out to be the world’s oldest known abecedary. The words have been arranged according to their initial sounds, and the order followed here is one that is still known today. This discovery has…

Some 5000 years ago the people of the corded ware culture exchanged ideas about death on a continental scale. There were strong gender differences in these ideas: men were buried in an international style, and women in a local style. This discovery was made by archaeologist Quentin Bourgeois.

The ongoing conflict in Kashmir is often seen as a political issue between India and Pakistan. Idrees Kanth, who has written a dissertation on the subject, believes that the people of Kashmir are the primary contenders in the conflict and should be allowed their right to decide their own political fate.…

A memorial stone honouring professor and resistance hero Ben Telders was unveiled on 12 September at the site of the former concentration camp Bergen-Belsen.

Prof. Arnold Tukker, Scientific Director of the Institute of Environmental Sciences Leiden (CML), visited the Center for Sustainable Development Goal Studies (SDGs Center) as part of a trip to Asia. The SDGs Center is a Center of Excellence at Padjadjaran University in Bandung, Indonesia, with which…

After 2 years of planning, designing, testing and adjusting, the brand-new low-vibration physics lab at the new Gorlaeus Building of the Science Campus is working like a charm and ready to make its mark in the world of science. Also, the renewed facility for the production of liquid helium is all do…

Leiden astronomer Tim de Zeeuw has been appointed Knight in the Order of the Dutch Lion. He received the distinction on 14 May to mark his departure as Director General of the ESO European Astronomy organisation. The celebration took place during the 2018 Dutch Astronomers Conference in Groningen.

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Nanodiamonds and charcoal in Dutch soil provide no evidence for the alleged impact of a meteorite at the end of the last Ice Age. This is the conclusion of a research done by Utrecht University in collaboration with Leiden University and the University of Groningen.

In a significant step toward restoring cultural heritage, PhD candidate Marie Kolbenstetter has played a pivotal role in repatriating a collection of 133 archaeological artefacts from the prestigious Musée du quai Branly in Paris back to their place of origin in southern Honduras. Her efforts underscore…

24 October was UN Day. To mark the 75th anniversary of the organization the Chair of UN Studies in Peace and Justice and partners hosted a UN75 Dialogue in the Hague at the International Court of Justice with the President of the International Court of Justice, Judge Abdulqawi Ahmed Yusuf and Minister…

Research by The Young Academy on the length and intensity of the Dutch academic year has given us food for thought. Do our staff have enough time and space to conduct research? And do we ask too much of our students? The Ministry of Education, Culture and Science asked us universities to think about…

The history of the LGTBI+ collective, deeply marked by episodes of violence, repression, and discrimination, is also the history of the struggle for social change and the conquest of civil rights, advances without which contemporary Western democracies could not be explained. More recently, the implementation…

Leiden University and African Child Policy Forum hold ‘ground-breaking’ workshop on antimicrobial resistance (AMR) and human rights in Africa

The academic year has kicked off—and how! On 2 September, Dr. Yves Menheere opened our year with a lecture on “The What and Why of Chinese Religions”. For keen listeners, this immediately raised the big question: which concepts should we use in the study of religion? And to all first-years: a warm w…