‘Wonder is the beginning of insight. Don’t let that academic curiosity erode.’ This was Jan Anthonie Bruijn’s call to administrators and funding bodies in his valedictory lecture.

What unfolded in shared kitchens, along narrow corridors and around Wednesday coffee tables became more than an assignment. It became a living exploration of what ageing means in practice.

Leiden researchers, led by Sebastian Pomplun developed a new method to screen hundreds of thousands of molecules for drug discovery, using mass spectrometry instead of DNA tags. ‘We wanted to make drug discovery faster and more accessible.’

Students of the European Union Studies track of MA International Relations visited Brussels this October and met many Leiden alumni who already work there.

An international team of astronomers has revealed the first 'chemical profile' of an exoplanet's atmosphere. The team, including Leiden astronomer Yamila Miguel and provenda Amy Louca, made the profile using so-called Early Release Science data from the James Webb Space Telescope. The results have been…

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

Her specialist field is molecular astrophysics, and she is the most quoted scholar in her field. In this, the year of astronomy, she is the ideal person to give the Dies lecture at the university with the world's oldest astronomy institute; it goes without saying that the lecture will be on the newest…

Having lectures on sustainability when you're a first-year student of Law, or a course on climate change when you're studying Public Administration may sound odd, but that is just what Associate Professor in Environmental Sciences Thijs Bosker wants to see happening. Together with his colleague Paul…

KITLV-Jakarta merayakan hari jadinya yang ke 50 tahun. KITLV-Jakarta adalah bagian dari perpustakaan Universitas Leiden. Dalam rangka hari jadi tersebut beberapa kegiatan diselenggarakan. Beikut highlight dari rangkaian perayaan ulang tahun KITLV-Jakarta. KITLV-Jakarta’s 50th Anniversary Seminar: “Indonesian…

Graphic Novels and Comics have developed from pulp status to an entirely self-contained medium. This form of storytelling is not limited to stories of superheroes but has been used, molded and reshaped to display historical events, classic stories and autobiographical memoirs. But where should you begin…

The COVID-19 pandemic forced many staff of Leiden institutes abroad to leave their posts in a hurry. How is the KITLV Jakarta team doing now? Director Marrik Bellen talks about the turbulent times for this Leiden institute and its staff. And can we learn anything from the Indonesian approach?

It doesn’t take long before Tim van Lit has told us what interests him: problems that shake the nation. This 28-year-old Criminology alumnus heads a team of 25 at Royal Netherlands Marechaussee. Location: Schiphol Airport.

Professor Ken Meier is one of the most prominent researchers of the world in the field of Public Administration. Meier holds appointments as a professor of Public Administration at Cardiff School of Business (Wales), a professor of bureaucracy and democracy at Leiden University (The Netherlands), research…

Kersti Börjars studied English language and literature in Leiden. She became a professor and now she is Master of the largest college at the University of Oxford: St Catherine’s College. What impact is coronavirus having on St Catherine’s and how has she benefited from her studies in Leiden.

On 20 September 2019, the opening drinks for the Open Science Community Leiden will be held at the Faculty of Social and Behavioural Sciences. Open science is the approach to science aimed at making scientific research accessible, reproducible, and freely available to people within and outside the academic…

Knowledge of Muslim societies is essential to function in a globalised world and to fully understand our own Dutch society. Leiden researchers explore the languages, cultures, religions, legal systems and history of Muslim societies and in this way contribute to a centuries-old tradition.

The Journal of the LUCAS Graduate Conference was founded in 2013 to publish a selection of the best papers presented at the biennial LUCAS Graduate Conference, an international and interdisciplinary humanities conference organized by the Leiden University Centre for the Arts in Society (LUCAS). The…

Discover the effects of clothing value and lifespan on buyer-user-producer relationships through collaborative research with Localising Global Garment Biographies.

The main aim of this project is to reveal and unravel the invisible histories of the UN, transcending the dominant Western perspective to recover the historical agency of Global South actors. The research will investigate how the UN has both facilitated and limited their role in shaping global order…

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

An overview of our exhibition catalogues and research monographs on the Middle Eastern collections.

How can we map and foster Dutch secondary teachers’ agency in inclusive education practices?

What can we learn from how maritime conflicts were managed in the past? What significance did Maritime Conflict Management have in shaping the standards of diplomacy and international law in pre-modern Atlantic Europe (1200-1600)?

Migration and crime are in the spotlight in society. Within the Institute for Criminal Law and Criminology, research in this area has strongly developed in recent years. The concept of Crimmigration is central to this.

How do lecturer-researchers at Dutch Universities of Applied Sciences perceive their academic identity after expanding their teaching-only work portfolios to include researcher roles, and how do they navigate attached identity-based role transitions, while balancing personal goals, institutional expectations,…

Activity-based protein profiling (ABPP, also termed chemical proteomics), is one of the pillars of chemical biology, and at LED3 we have taken it to the next level. ABPP allows the assessment of protein function in live cells and tissues, which means that the activity of a complete protein family can…

The Cyber Security lecturers are scholars and lecturers of Leiden University, Delft University of Technology and The Hague University of Applied Sciences.

What is Leiden University doing to reduce energy consumption and move away from fossil energy? Where can you find information about energy? And what changes can you make yourself?

We enjoy working with a variety of partners: with other knowledge institutions, the business community, government, civil society organisations, NGOs, museums and charities. Close by, in our cities of Leiden and The Hague, but also regionally, nationally and internationally.

The project Advancing The European Multilingual Experience (AThEME) studied multilingualism in Europe by incorporating and combining linguistic, cognitive and sociological perspectives.

Overview of the main research projects at the Leiden Papyrological Institute.

You can find some tips here on how to maintain your mental health.

The Master’s degree Law and Society offered by the Van Vollenhoven Institute for Law, Governance and Society at Leiden University, will provide you with the skills and knowledge that are necessary for a successful career in both the private and public sector.

Leiden University College welcomes researchers at all levels who wish to spend some time at our institution for a research project.

Forum essays provide a framework for intellectual exchange and debate about the role of diplomacy around a particular theme. The essays are argumentative contributions and are shorter than research articles.

This research project from Leiden University looks at the opportunities and threats that flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world.

Conferences, Workshops and Lectures showcasing research projects and teaching digital skills and tools for the Humanities.

Overview of the CML reports

Jorge Heine writes about 'bricks-and-mortar' diplomatic posts and their significance during a pandemic.

Authors: Michèle Bos and Jan Melissen

How can we make sure that The Hague becomes even more of a city of education and knowledge? This was the theme during the festive opening of the college year in The Hague on 30 August. Filled with ambition, representatives from all The Hague's educational institutions, the municipality of The Hague…

Emeritus professors Dirk van Delft and Frits Berends both channelled their inner Sherlock Holmes as they delved into the life and work of the great physicist Hendrik Lorentz. Their voluminous biography ‘Lorentz: gevierd fysicus, geboren verzoener’ (Lorentz: celebrated physicist, born mediator) is published…

At the age of six, Barbara Gravendeel already knew what she wanted to be: a biologist. The seed was planted in the garden of her childhood home: an old orchard surrounded by a large hedge. Since 1 May, she has been the scientific director (prefect) of the Hortus botanicus in Leiden, and all the pieces…

Markus Kornprobst writes about managing international crises.

For centuries, astronomers have studied the universe by collecting light signals. Since 2015, the confirmation of an important prediction of Einstein allows us to explore the universe in a new way: through gravitational wave radiation. Astronomy PhD candidate Valeriya Korol proposes to use these gravitational…

Passionate, innovative lecturers are the driving force behind our education. Janine Geerling, former assistant professor of the Bio-Pharmaceutical Sciences programme, obtained her Senior Teaching Qualification (STQ) at the end of last year. ‘You have to make time for educational innovation, and not…

World-famous among astronomers, humble, and averse to conventions. On 23 April, the Dutch biography about Henk van de Hulst was published. Biographer Dirk van Delft: ‘This remarkable man deserved a biography.’

Clinical Child and Adolescent Studies graduate Gillian King has two different jobs. Together with a partner, she runs ‘Het Leerhuis,’ a support centre for children with learning difficulties. But she also writes books, chick lit to be precise. This is how she has made something of a name for herself…

Once a year, former employee and avid runner Dennis Hoencamp returns to his old workplace. That’s when he competes in the Leiden Science Run. As an event coordinator, he once devised the relay race as an anniversary activity. It grew into an annual event for the entire University and the Bio Science…