The Plants & Planets exhibition brings two worlds together in a dazzling mix of science, nature and art. It opens at Old Observatory Leiden and Hortus botanicus on 7 February.

Wearing All Stars and ‘just’ a pair of jeans, with a backpack slung over his shoulder. It was an informal Friday afternoon with Mark Rutte, NATO Secretary General, at Wijnhaven. Perched on a desk, he took questions from students in the audience.

Student well-being is more important than ever and is high on Leiden University’s agenda. There are many recent new initiatives, such as Well-Being Week and POPcorner The Hague. To streamline all these new initiatives and create new student well-being activities, a Student Well-Being Officer has recently…

Leiden University has recently received various petitions from students and staff concerning our ties with Israeli universities. We have also held extensive discussions with the University Council in response to questions raised on the subject. We think it important that our partners and research projects…

The plan was to research the years surrounding the creation of the signature H.P. Berlage building of the Kunstmuseum Den Haag, but due to the lockdown, University Lecturer Laurie Kalb Cosmo has hardly been able to visit museums. Yet she succeeds in continuing her research for the Museums, Collections…

Fadly Rahman and Marleen Reichgelt recently joined the Institute for History within the NWO-funded project 'Epistemic actors. The role of Indonesians in the making of knowledge in the colonial era’ under the supervision of Fenneke Sysling. Below, they introduce themselves.

Almost 3,500 visitors came to Master’s Open Day in Leiden and The Hague.

Confetti, stilt walkers and the new Einstein Fountain. On Monday, 2 September, the Gorlaeus Building of the Faculty of Science was festively opened. Together with Constantijn van Oranje, our students cut the ribbon. Dean Jasper Knoester: ‘The building is ready, now it is up to our students and researchers…

Delft, Nov. 15th, 2022 – Today, eight professors were simultaneously inaugurated as ‘Medical Delta professors’ at Leiden University, LUMC, TU Delft, Erasmus University and/or Erasmus MC. With an appointment of two or more of these five academic institutions, they combine technology and healthcare in…

Leiden University was present for the second time at the second Leiden Pride on Saturday.

Recently, in the midst of coronavirus situation, Professor Corinne Hofman and her team became part of the NWO project Island(er)s at the Helm. Both the application process as well as the start of the project were challenged by the limitations set by Covid-19. ‘As a preparation we travelled through the…

Not all students spend the holiday season with family or friends. That is why the university is organising the fifth edition of the Winter Weeks this year. The goal remains unchanged: to offer both international and Dutch students who stay in Leiden or The Hague during the Christmas break a warm and…

After nearly two years of retirement, Wil Roebroeks looks back on a career that began in a time of freedom and ended in a field that has undergone profound academic and social change. ‘I have been fortunate to always enjoy my work,’ he says. ‘That is also my advice to younger generations: above all,…

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

Workshops, tours, talks, music, an AI photobooth, interviews, a special poem and the launch of the LUF Children’s Fund. Alumni celebrated their alma mater’s 450th birthday in style on Saturday at the massively oversubscribed Dies Natalis Festival.

Transdisciplinary education, in which students work with external parties, is getting more popular. How do you start such a programme as a teacher? The Honours Academy and the Leiden Learning Innovation Centre have written a guide for all Leiden colleagues.

UNESCO has recognized a large collection of handwritten letters and the archive of Raden Ajeng Kartini (1879-1904) as documentary world heritage. Kartini opposed gender inequality in feudal Javanese society, including forced marriages, polygamy and lack of education for women.

The most important group of medieval manuscripts from the Special Collections of the University Libraries of Leiden (UBL), the Codices Vossiani Latini, is now available in open access via the Digital Collections. The 324 Latin manuscripts copied in medieval Europe, along with 48 post-medieval manuscripts,…

Sharing knowledge based on research within organisations presents a challenging task. How can this be done effectively? What steps should be taken to ensure that knowledge obtained from research is shared and applied in the organisation's daily practice? On 8 May, the Leiden Leadership Centre (LLC)…

A new face is strengthening FGGA's Faculty Board as vice-dean in the coming months. Maarja Beerkens comes from the Institute of Public Administration, where she has been teaching since 2010 and has also been Associate Professor and Educational Director for many years. The enthusiastic The Hague resident…

An international team of astronomers led by Dutch scientist Martijn Oei has discovered the largest pair of jets from a black hole ever seen. The 'jumbojets' extend a combined length of 140 Milky Ways. The Leiden Observatory played a prominent role in this research. The publication will feature on the…

Lawyer, economist, politician and women’s rights activist Lizzy van Dorp is the 100th entry in our Top 450. Who or what is your favourite?

The university's CO2 footprint - a visual representation of Leiden University's environmental impact - is calculated every year. The CO2 footprint for 2020 shows a striking break in the trend in terms of energy use, mobility and waste.

Early diagnosis, new treatments, and personalised care: all of these are possible if we can better unlock the wealth of information hidden in health data. Unfortunately, this data is often poorly organised, difficult to access, and not interoperable. The new international Leiden Institute for FAIR and…

Paul Wouters has been involved in open science for 30 years, from his first introduction to a preprint server in 1992 to his recent roles as Dean of the Faculty of Social and Behavioural Sciences and open science ambassador for Academia in Motion. Wouters is now retiring. He is leaving with high hopes…

Associate Professor Robert Heinsch went on a staff exchange to the United States from January to April 2025. He enjoyed the challenge of teaching in a creative and more personal way. ‘I fully immersed myself in American teaching culture.’

Second-year Law student Rosemarijn Sterk achieved the highest average mark for her foundation year (2024–2025). Her average mark of 9.2 was the highest of all first-year students at our faculty. As a result, Rosemarijn was awarded a cash prize of €150 from the Legatum Böckelmanianum fund.

As a twelve-year-old girl, Nicky van de Beek became intrigued by the tomb chapels in Saqqara, Egypt. Now she is doing her PhD on them, just like another Leiden Egyptologist decades earlier. Herta Mohr persevered with her research during World War II. Now she is the namesake of the first Leiden building…

Welcome to the 2024-2025 academic year! I hope this finds you feeling refreshed following an enjoyable and restful summer holiday season. As we start the autumn semester, I want to look back briefly by highlighting 10 significant milestones at LUCSoR from this past year (some of which I referenced in…

Academic freedom is something to be cherished. The freedom to conduct research, design courses and publish research findings as we see fit is crucial to our work.

Leiden University will be conferring three honorary doctorates in its special anniversary year. They will be awarded to Eliot Higgins, truth finder and founder of Bellingcat, Bonnie Honig, expert in feminist theory and legal theory, and Kelly Chibale, professor of organic chemistry, who works on prevention…

Research

Assistant Professor Lucie Zicha at Leiden University College (LUC) in The Hague is on a mission to bring statistical literacy to all undergraduate students.

Samen met een groep enthousiaste wetenschappers bezocht ik deze maand verschillende universiteiten en andere kennisinstellingen tijdens een kennismissie in Indonesië.

Documenting and preserving rock art in the Pakistani Himalayas; this was the aim of the ‘Karakorum Rescue Project’ to which students at the Honours College Archaeology contributed. A Leiden exhibition visualises the project: ‘There is something magical about it.’

He came to the Netherlands for three months and never left. Marcello Bonsangue is the new scientific director of the Leiden Institute of Advanced Computer Science (LIACS) since January this year. 'I think it is important to be there for the people of our institute. My door is always open.'

Light, open and green: a description that fits the new, renovated location of the Faculty of Humanities. The official opening of the Herta Mohr Building took place on 8 October, and it has many remarkable features: for example, recycled ‘mushroom columns’, a pedestrian bridge to the University Library…

Have faith in others, embrace conflict and differences, take your time: these are just a few of the tips that emerged during a Leiden symposium on interdisciplinary collaboration on 1 February. A second session will take place on Thursday 14 March.

On Thursday 2 December, Nadine Akkerman, Reader in early modern English literature will be a guest in the online book salon of Leiden University Libraries (UBL). Head Curator Garrelt Verhoeven will interview Akkerman about her book Elizabeth Stuart, Queen of Hearts. In her biography, Akkerman describes…

Alumnus Robert van Asten has been an MP for D66 since 2025. He studied Tax Law at Leiden University from 1997 to 2005. After a career in that field, he switched to local politics and later national politics.

The radio telescope LOFAR, with a major contribution from Leiden Observatory, has produced the most detailed radio map of the Universe ever made. Never before have so many cosmic radio sources been captured in a single survey: 13.7 million.

Sandra Palmen studied tax law at Leiden University and built a career within central government, currently as State Secretary. She was one of the first to raise the alarm about the child benefits affair and is now righting the wrongs.

Leiden scientists lead COLIBRE, a groundbreaking set of cosmological simulations. By including key missing physics, cold gas and cosmic dust, they offer the most realistic picture yet of how galaxies formed and evolved since the dawn of time.

To understand the universe as a whole, simulations on a cosmic scale are required. An international team of astrophysicists, led by Leiden University, is today making one of the largest cosmological datasets ever available for free. It comprises more than 2.5 petabytes of simulation data.

Professor Miguel John Versluys of Leiden University has been recognised with the esteemed Humboldt Research Award, a testament to his groundbreaking work in global archaeology, reception-studies and the deep history of globalisation. The award, granted by the Alexander von Humbold-Stiftung, celebrates…

As a student, Ratna Lachmansingh wrote her thesis on horror films. Now she is the director of Leiden International Film Festival.

Facility

After another turbulent academic year, Dean Joanne van der Leun has a message for the staff of Leiden Law School.

Organisation