Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

Leiden University has set up two committees to consider issues that are the focus of much attention within our community and society at large. They are the Knowledge Security Committee and the Fossil Fuel Industry Collaboration Committee. Former dean Joanne van der Leun will chair both.

Proton therapy is a new way of treating cancer in which radiation doses are delivered more precisely. This results in less damage to surrounding tissue and fewer side effects. Professor Marco van Vulpen is medical director of HollandPTC in Delft, where the social value of this therapy is studied. Van…

Op maandag 1 april 2024 stierf onze leermeester, vriend en gewaardeerd collega Dr. Alexander Hendrik de Groot (Sander).

From an emergency fund for Ukrainian students to a golf tournament for cancer research at the LUMC: the Leiden University Fund (LUF) crowdfunding platform is full of fantastic projects that enrich the university. If you are looking for funding for your idea or special project, crowdfunding may just…

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?

Carla Cisternas Guasch, PhD candidate at the Leiden Institute for History, is one of the winners of the 2023 call of the Slicher van Bath de Jong Foundation for the advancement of study and research on the history of Latin America. She receives a research grant of €10.000 (max).

We will mark the start of Christmas together in the Great Auditorium on 22 December, with the Sempre Crescendo student music company singing Christmas carols for our students and staff. Enjoy atmospheric organ music, sing-along carols and mulled wine afterwards. ‘It’ll be a gem of an event,’ says Beadle…

The University urgently needs IT talent. The ISSC has therefore started a pilot refer-a-friend scheme: if you recommend someone you know for a hard-to-fill IT job and they are hired, you will receive a 1,500-euro (gross) bonus. ‘So hit us with your golden tips,’ says ISSC director Joop van der Born.

Organisation

This March, LUCSoR alumnus Dr. Mattias Brand received the Gerardus van der Leeuw PhD Dissertation Award from the Dutch Association for the Study of Religion (NGG) for his dissertation, “The Manichaeans of Kellis: Religion, Community, and Everyday Life”. It is a biennial award for a PhD dissertation…

University lecturer Gerlov van Engelenhoven was to be a guest in one podcast by culture maker and anthropologist Yanise Zijlstra on intangible heritage. The collaboration went so well that they are now making a short film together for young people.

This volume contains the edition or re-edition of 52 papyri and ostraca, dating from between the third century BCE and the eighth century CE.

University lecturer Lucien van Beek has been awarded a LUF Praesidium Libertatis Grant. He will use the sum of 75,000 euros to research the thinking of people in ancient and prehistoric times. To do that, he will look for unusual or striking metaphors in the earliest Indo-European languages.

In December 2023, Louise van der Vlugt was announced as Co-Winner of the 'Best Thesis in Jewish Studies' Award. She sat down to answer some questions about her prize-winning BA Thesis.

Assistant professor Looi van Kessel writes in The Conversation about the passing of drag performer The Vivienne, reflecting on their significance for LGBTQ+ advocacy in Europe.

In addition to his Film and Literature Studies, Bob van Oosterhout is a bassoonist with several orchestras. He is going to Milan with the student choir and orchestra ‘Collegium Musicum’.

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.

After 14 years of chairing the Faculty Council, Associate Professor Jan Sleutels is handing over the baton. Student Susan van Grol takes over the chairmanship. Time for an introduction to Susan.

Who was professionally involved in language between 1550 and 1650? And what were the financial returns of this language sector? Assistant Professor Alisa van de Haar has received an ERC Starting Grant to map out the situation in Northwest Europe between 1550 and 1650.

AI-related activities and programmes are springing up throughout the university. In research, for example, at SAILS, and for staff in workshops and co-creation labs. As an AI champion at the ISSC, Julian van der Kraats is involved in various AI developments.

For more than 35 years they helped put American Studies on the map: Joke Kardux and Eduard van de Bilt. This spring, the couple retired. A farewell interview.

Een delegatie van Nagasaki University bracht eind mei een bezoek aan de Universiteit Leiden.

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

On Tuesday 6 May our university was the scene of an unscheduled demonstration and occupation at Campus The Hague. We understand that this incident and its consequences have shaken both the university and the wider community. We look back at the events and their effects.

With Sunday 28 January the annual European Data Protection Day, we are drawing attention to data protection and the right to privacy. Because it’s okay to stop and think before sharing our data or that of others, says privacy officer Eric van Hoof. ‘If you cross the road, you don’t do so without looking…

Alisa van de Haar is one of three humanities scholars to win a KNAW Early Career Award this year. The university lecturer of Ancient French Literature is receiving the award for her innovative research on multilingualism and migration. 'It would be nice to use this to set up a project with students.…

From Galileo Galilei to Albert Einstein and from Anna Maria van Schurman to Anton de Kom: only a selection of the 25 authors who's books and ideas had extraordinary historical impact, in some cases even to this day. Leiden University Libraries and the National Museum of Antiquities jointly present the…

The Master's programme in History at Leiden University is set to change. From September 2026, three of the five specialisations will be replaced by new subjects that are more closely aligned with the field of research and students’ interests. One of these new specialisations will also be taught entirely…

PhD defence

PhD defence, Doctoral Exhibition

Het zal niemand ontgaan zijn dat de digitale dreigingen blijven toenemen. Uit monitoring door onze cybersecurity-experts blijkt dat er continu wordt geprobeerd om ook onze systemen binnen te dringen. Wat doen wij daartegen en hoe kan jij als medewerker bijdragen aan onze cyberveiligheid?

Tachtig academische papers, 270 deelnemers en vier rondetafelgesprekken over het aanpakken van mondiale problemen. De tweede conferentie van het interdisciplinaire onderzoeksprogramma Global Transformations and Governance Challenges werd groots opgezet. Wat vonden de deelnemers ervan? Bekijk het in…

In our teaching, Leiden University gives all students the opportunity to learn about sustainability themes and issues. Social issues, including sustainable development, are addressed in the teaching and research at all of our faculties. On this Day of Sustainability, we highlight a number of subject…

On Friday 20 May, from 1 p.m. to 6 p.m., approximately sixty lecturers met at the Faculty Club for the 2022 Education Showcase.

On Thursday 11 December 2025, Daan Roovers, the philosopher and former Denker des Vaderlands (Philosopher Laureate), will give the 54th Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title What’s at stake: The boundaries of politics and fair play, she will reinterpret Johan Huizinga’s…

In September 2025 Leiden University hosted a greatly successful academic conference "Care and the Jewish Experience" organized by the Leiden Jewish Studies Network. Among our guests and presenters were academics from many universities, many disciplines and at different stages of their academic caree…

City walk

Assistant professor Carmen Van den Bergh has been nominated for the Leiden University Teaching Prize. ‘I combine literature education with social relevance and personal experience.’

Alumni event, Lezing

PhD defence

Valedictory lecture

In De Kookshow, Universiteit Van Nederland explores the scientific world behind food. Ever wondered which senses influence how tasty you find something? And why do you always have room for pudding after a meal? Leiden historian Kim Beerden is among the scholars providing answers.

PhD defence

PhD defence

Inaugural lecture

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…

On the eve of World War II, Leiden was home to the largest Indonesian student community in the Netherlands. Many of these students joined the resistance against the German occupation, and later some fought for Indonesia’s independence.