Dit rapport maakt deel uit van het project Receptenboek burgerparticipatie in opdracht van de Rijksdienst voor het Cultureel Erfgoed (RCE) en met steun van het Fonds voor Cultuurparticipatie.

The starting hypothesis of the project is that secrecy is not always inimical to democratic governance as conventional wisdom has it.

Vandaag de dag liggen statistische methodes aan de grondslag van beslissingen in allerlei facetten van het leven, van de gezondheidszorg en agricultuur tot de financiële sector en marketing.

In 1940 the Germany occupiers ordered the dismissal of all Jewish staff of the university. This resulted in protest speeches by fellow academics.

, Sandifortdreef 21, 2333 ZB, Leiden

On 12 April 2022 Alok Oak successfully defended a doctoral thesis and graduated.

It’s election time again on Wednesday 18 March – this time the municipal elections. Two Leiden University buildings are being used as polling stations: Oude UB in Leiden and Spui Campus in The Hague.

Climate change, depletion of natural resources, loss of natural and cultural landscapes, and many other (ecological) sustainability challenges urge us to (re)evaluate human interaction with the natural world. This renewed environmental consciousness has invigorated not only scientists working on effects…

This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…

On the occasion of the appearance of the monograph "Varieties of the Self.Peter Abelard and the Mental Architecture of the Paraclete" written by Babette Hellemans and published at Brill in 2023, a workshop will be organized concerning rules of observance as ‘texts of life’ in ascetic communities. The…

How has progress been made on diversity and inclusion at Leiden University over the past decade? Attendees reflected on this at the D&I Symposium 2024: Untold Stories. And in the workshops, students and staff discussed the next steps toward a more inclusive community.

On November 1st, 2024, professor Johan Kuiper will retire and be appointed as emeritus professor at Leiden University. Since November 2008, Johan Kuiper was professor of Therapeutic Immunomodulation in the division of, at that time, Biopharmaceutics (which later on became the division of BioTherapeutics)…

Every year, more than three thousand businesses are declared insolvent in the Netherlands. The purpose of bankruptcy is to divide the assets of these companies among the creditors. However, the value of the claims of the creditors often exceed the value of the assets of the company

An international team of researchers led by Alice Booth (Leiden University, the Netherlands) have discovered methanol in the warm part of a planet-forming disk. The methanol cannot have been produced there and must have originated in the cold gas clouds from which the star and the disk formed. Thus,…

Policy studies and interventions in the field of Youth

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Training and Exercising in Crisis management and Emergency Control

On 22 June, Anneke Koning defended the thesis 'Return to sender: a multi-method study of guardianship against transnational sexual exploitation of children'. The doctoral research was supervised by Joanne van der Leun, Masja van Meeteren and Johan van Wilsem.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

Leiden University regularly welcomes members of the Royal Family to attend opening ceremonies, lectures, presentations and unveilings of works of art.

The CMCB brings together microbial cell biology expertise in Leiden. It aims at optimal resonance between the groups and maximal exploitation of the available infrastructure and to develop innovative cross-boundary technology platforms.

C.R. Hermans (2012). Facsimile-editie van Noordbrabants Oudheden aangevuld met enkele Archeologische Mengelwerken.

The photo exhibition offers a unique glimpse into the research being carried out at Leiden University in The Hague. It features eight researchers connected by one common thread: their research has a real impact on the city and the people of The Hague.

This film will be screened on Sunday, 15 February 2026 at 7:00 pm.

On Friday 28 November, Leiden University celebrated its broad pallet of research and education at a unique anniversary event. We took collaboration between fields of science, and between researchers and society, one step further.

Refugees’ effect on domestic terrorism is conditioned by host-country social perception (attitude about living next-door to foreigners) and economic competition. These hypotheses are tested cross-nationally from 1995-2014 leveraging data from the World Values Survey.

The NVIC library is a public, academic reference library. Entrance is free—no membership needed—and offers access to our book collection and two reading rooms, which have a WiFi connection. It is not possible to borrow books from our library.

Leiden University opened its doors in 1575 – the very first university in the Netherlands. The law faculty was involved from the start and so in 2025 we, too, celebrated our 450th anniversary.

Alumni event, Brussels

The Leiden University Academy of Creative and Performing Arts will be proudly awarding an Honorary Doctorate within the upcoming 440th Dies Natalis.

447th Dies Natalis

Inviting a navy officer to talk about piracy, inspiring critical thinking and offering to help with finding internships. Students appreciate that and therefore nominated Anita van Dissel, who teaches Maritime History, for the Lecturer of the Year Award.

2024 has been an eventful year, and this is reflected in our social media posts. An overview of the most liked, most shared or most impressive posts.

Hoogleraar Law & Society Maartje van der Woude is door de Universitas Indonesia in Jakarta gevraagd om een lezing te geven ter gelegenheid van de 96e dies natalis van de Indonesische universiteit.

Universiteit Leiden stond niet altijd bekend als een bolwerk van vrijheid, betoogt Egbert Koops in zijn diesoratie. Leidsch Dagblad sprak met de hoogleraar rechtsgeschiedenis over academische vrijheid: ‘Het bolwerk van vrijheid moest veroverd worden.’

Museum Boerhaave amplifies its collection with original letters and pictures from Einstein and Lorentz. Professor by special appointment Dirk van Delft, also director of Boerhaave, accepted the documents on 12 March.

During the Dies Natalis for alumni, February 11 2017, the annual university thesis awards ceremony was held. The winner of 2017 is Erik Kroon, of the Faculty of Archaeology. His thesis featured innovative research on changes in the technology of Neolithic ceramics.

The relationship between States and foreign corporations are regulated by international economic law and international investment law in particular. Any disputes between States and foreign corporations must therefore also be solved by reference to this body of public international law, for example when…