‘Praesidium Libertatis is a daily responsibility.’ These were the words of Rector Magnificus Carel Stolker on 8 February during the 443rd Dies Natalis of Leiden University. The University needs to pay continuous attention to open debate if it wants to remain a bastion of freedom.

Leiden Professor of Maths Frans van Schooten Jnr. (1615-1660) and his wife Margrieta were painted by Rembrandt. This is the claim made by mathematician and art historian Johan Zwakenberg in his recently published article in the 2018 Leiden Yearbook. Leiden art historians are not completely convinced…

This Subject Guide is designed to support students of Japan studies at Leiden University in their research process. For every step of the research process, this guide introduces a number of tips and recommended resources. You can find several sub-guides and contacts in the 'quick links' in the tab on…

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

Are you curious about how the human skeleton works? Discover this and more on 3 October in Leiden and on 4 October in The Hague.

Alumni who live and work in Brussels met on 18 February at the annual Leiden Alumni in Brussels Event. As well as celebrating Leiden University’s 450th anniversary, they also looked at the challenges Europe faces.

Leiden health psychologist Liesbeth Van Vliet receives recognition for her research on doctor-patient communication and its influence on quality of healthcare. Van Vliet has been awarded one of four Heineken Young Scientists Award 2022 for promising young researchers working in the Netherlands.

Leiden researchers, Professor Remko Offringa and co-applicants Salma Balazadeh and Frederic Lens received an NWO-XL grant (2.5 million euros). Together with researchers in Wageningen and Groningen, they will study the genetic and environmental drivers of woodiness. From plant to molecule, the groups…

Overview of the Scaliger, Brill, Elsevier, Van de Sande, Juynboll, Drewes, Isaac Alfred Ailion, Arminius, Van Gulik and Lingling Wiyadharma Fellows who have conducted research in the Special Collections of the University Library.

President John Quincy Adams studied in Leiden. His father, John, who was also president, also stayed here and received a lot of support from professor and publisher Johan Luzac. And how are presidents Bush and Obama linked to Leiden?

As people spend ever more time in cyberspace, so do criminals. The more reliant we become on digital technology, the more vulnerable we are to hackers, surveillance, and cybercrime. The past decade has made clear that cybercrime does not only affect individuals and organizations, but that nation states,…

The United States seems to be embroiled in one of the most contentious electoral battles in its history. In fact, presidential elections have become ever more contested over the past decades. In the past few years, and even centuries, researchers and authors have sought to explain issues that are currently…

How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.

De Universiteit Leiden is al 25 jaar stevig geworteld in Den Haag. Dat werd zichtbaar tijdens de feestelijke bijeenkomst rondom de foto-expositie Universiteit Leiden in Den Haag: Onderzoekers van de stad.

The Dutch Revolt or Eighty Years’ War and the Dutch Golden Age have traditionally been described in the national historiography as glorious periods; with the Dutch Revolt being depicted as a heroic battle for independence and the Dutch Golden Age as an unparalleled political, economic and cultural success…

Medewerkers van de Universiteit Leiden trappen maandag 10 maart de estafettestaking af van de Nederlandse universiteiten tegen de kabinetsbezuinigingen.

Two Stolpersteine (stumbling stones) have been placed in front of the University Library in memory of the Jewish Cosman family. At the time of the Second World War, they lived in one of the houses where the library is now located.

2020 will go down in the history books as an eventful year. The traces left by the coronavirus this year will remain, for students as well as staff at Leiden Law School. A review of the year in photos and videos.

There are differing opinions about healthcare for transgender young people. Lieke Vrouenraets investigated the ethical dilemmas.

Former President Kgalema Motlanthe of South Africa gave a public lecture on Campus The Hague on 7 July. His story was about the economic transformation of Africa.

Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.

This Subject Guide is designed to support students of Korean studies at Leiden University in their research process. For every step of the research process, this guide introduces a number of tips and recommended resources. You can find several sub-guides and contacts in the 'quick links' in the tab…

Leiden University celebrated its 444th anniversary with a historical procession on 8 February. It celebrated this year’s Dies Natalis in time-honoured fashion with a ceremony in the Pieterskerk, but broke with tradition by sending professors out to primary schools.

Leiden University Libraries (UBL) in partnership with Elsevier hosted a series of online seminars on the challenges involved in achieving reproducibility in research. The seminars aimed to identify best practices that can help to overcome central challenges around reproducibility, and to convey several…

From academic freedom to security and medical breakthroughs: during Leiden University’s 451st Dies Natalis, the speakers reflected on the role of universities in a world of social and geopolitical tensions.

Every year on 26 November Leiden University commemorates the protest speech given by Professor Cleveringa against the Nazis. At least 663 students, staff and alumni of the University lost their lives during the Second World War, yet little was known about these victims. PhD candidate Adriënne Baars…

In his leaving interview, Martijn Ridderbos doesn’t have to think long when asked what he is most proud of. ‘Bringing people together; creating things together. Reducing the gap between researchers and the staff who support them because the latter are essential. We’ve achieved that and the seeds have…