Nearly all documents from the 16th and 17th centuries were written by more than one person but attributed to only one author. Professor Nadine Akkerman wants to rectify this oversight in her research on scribes.

On 10 April, the Faculty of Archaeology will host the Symposium of Young Archaeologists (SOYA), a fully student organised conference dedicated to the theme Archaeology of the Margins.

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.

Science thrives on freedom, safety, and stability. But what if these prerequisites are lacking? What if colleagues beyond our borders are threatened, persecuted or forced to flee?

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.

Course and exam enrolment

Leiden University is well known for its student associations, which provide a great way for you to get to know your fellow students. As well as parties and social events, student associations also offer excellent sporting and cultural opportunities.

Studying is already a lot of work, so on this page you'll find the most sought-after information for first-year students. Do you feel something important is missing? Let us know via the feedback button, and we'll improve it for the next student.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

For hundreds of years, children in Ancient Egypt learned to read using The Satire of the Trades, a text in which a father gives advice to his son through descriptions of different professions. PhD candidate Judith Jurjens investigated how this worked in practice.

A gold carpet welcomed students, staff and curious locals into Spui Campus on Monday 2 February. The V&D department store has been transformed into a unique open knowledge centre.

How do you ensure that students still learn anything when they can have AI write an entire thesis in a matter of minutes? Staff members from the Faculty of Humanities discussed this and other questions during a special AI symposium. ‘Writing and independent thinking are crucial, especially in our fi…

Over 600 manuscripts and early prints have been made digitally available by Leiden University Libraries (UBL) via the Europeana platform. In the project 'The Art of Reading in the Middle Ages’ (ARMA), seven European heritage institutions added 30,000 digitised medieval items to Europeana’s database…

Rogier Hartendorp is professor by special appointment of social effectiveness of justice at Leiden University and a judge at The Hague District Court. So, the perfect person to liaise between our faculty and the Court. We asked him some questions about this role.

Voormalig demissionair staatssecretaris van Fiscaliteit en Belastingdienst Marnix van Rij gaf op 17 juni in samenwerking met universitair docent Esther Huiskers-Stoop een gastcollege over belastingrecht en duurzaamheid. Deze lezing werd op initiatief van student Darya de Wilt georganiseerd.

Back in June, the annual Leiden Archaeology Field School took place in Oss. For a month, every week, a group of 25 first year students gets to learn the ins and outs of a professional excavation. This is what they have been prepared for in the past year. ‘It is very exciting to put all the theory into…

Using mathematics to help children with bone cancer. It sounds a little strange, but for statistician Marta Fiocco, it's just her job. She gets a substantial grant from KiKa for it. With that money, she is going to study the effect of chemotherapy adjustments.

It is not widely known that Una Europa is not only intended for academic staff. Our university is actively involved in Una Europa: an alliance of 11 leading European research universities. This collaboration provides students and all staff with new international opportunities for cooperation and development.…

Six professors and one lecturer from Leiden University have officially been appointed Medical Delta professors or lecturers.

On paper it is recycled, but in reality enormous quantities of plastic waste from the Netherlands end up in Asian seas. Researchers from the Leiden Institute of Environmental Sciences charted the fate of plastic food packaging waste from the Netherlands. They published their results on July 8 in the…

Swarms of drones, pedestrians or the cells in your body. Those are all examples of active matter: materials whose building blocks can move autonomously. That’s what Luca Giomi studies. Giomi has been appointed Professor of theoretical physics in the area of soft matter and biological physics at the…

Three of our researchers have been awarded a certificate for receiving enough downloads to be in the top 10% of papers in 2022

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…

As of 1 September , Karel Berkhoff has been appointed professor by special appointment in Ukrainian History. In this position, made possible in part by the KNAW, he will focus primarily on dark moments in recent Ukrainian history: the persecutions that have taken place in the first half of the twentieth…

Economic law, environmental law and human rights are important fields of law for sustainable development. But they do not interact sufficiently, which makes it difficult to implement sustainable development.

Hoe kan het dat universele mensenrechten wereldwijd niet hetzelfde in de praktijk worden gebracht?

Healthy and active Leideners and a smoke-free generation. These are the main ambitions of the Leiden Health and Wellbeing Agreement that was signed online by 40 partners on 19 April. Leiden University will also be drawing on its broad expertise to help realise the ambitions.

Professor André Baranski is a champion for improving organ procurement. He believes there should be standardised training and certification for procurement surgeons. This is what he said in his inaugural lecture on 16 April.

Turkish and Syrian students met Rector Magnificus Hester Bijl to discuss how the university can support students who have been affected by the earthquake.

Since the invasion of Ukraine in 2022, Russia has been conducting a covert sabotage campaign against Europe. The ‘Bewaken en Beveiligen’ (Surveillance and Security) project team at Leiden University has investigated the scale of these operations and compiled its findings in the report Russian Operations…

The Second World War is a never ending experience for those who lived it. This is what Cleveringa professor Carol Gluck and her students concluded following a critical reading of ‘De Aanslag’ by Harry Mulisch. Mulisch’s novel took centre stage in Gluck’s Honours seminar.

Using mathematics to determine whether scientific results are significant or not. Peter Grünwald, full professor of Statistical Learning at the Mathematical Institute (MI) and senior researcher in the Machine Learning group of Centrum Wiskunde & Informatica (CWI), has been awarded an ERC Advanced Grant…

Obsidian, a volcanic glass-like material, is often used for making tools by Mesoamerican societies. In Honduras, certain obsidian artefacts do not yet have a known provenance. PhD candidate Marie Kolbenstetter and Assistant Professor Dennis Braekmans were awarded a Corrie Bakels Grant to explore thus…

What do people wonder about on social media? University lecturer Matthijs Westera is the recipient of an NWO grant to investigate what people are curious about online.

Leiden alumnus Makoto Yoshida from Japan studied Dutch history and politics from 1996 to 1997. Now he is back in Leiden with his wife who is currently a student at the Faculty of Humanities. Some things still surprise him. 'Everyone at university uses first names, which was - and still is - unacceptable…

The university is committed to providing an accessible learning and working environment for students and staff. They should be able to feel at home at our faculty. That is why there is now an all-gender toilet in every humanities building to contribute to that feeling of recognition and safety.

This fall, LUCIS will have the pleasure of welcoming Professor Hugh Kennedy from SOAS University of London to Leiden. He is the fourth Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University.

Beads are among the oldest types of human artistic expression. Even so, the small ornaments have a bad status record regarding archaeological investigation. PhD candidate Mette Langbroek, usually at home studying early medieval beads, had the opportunity to work on a publication and exhibition on 5000…

With the aid of artificial intelligence (AI), care professionals at the LUMC (Leiden University Medical Center) are able to calculate quickly and accurately whether a coronavirus patient has suffered serious lung damage. They do this by putting a CT scan through the AI software of the CAD4COVID-CT p…

Ylva Klaassen has been reappointed for three years as Director of Teaching and Learning of LUCAS. Her second term begins on 1 October, which she will combine with her duties as institute manager.

Leiden Law School is pleased to announce that Professor Ursula Kilkelly, School of Law, University College Cork, Ireland, will visit Leiden in academic year 2022/2023 as Rotating Honorary Chair ‘Enforcement of Children’s Rights’.

What do you do with a museum collection full of individual white Nobel laureates at a time when diversity, inclusion and teamwork reign supreme? Ad Maas, professor by special appointment, and researcher Hilbrand Wouters have been awarded an NWO Museum grant to answer that question.

Ten projects have been selected during the fourth call in the Seed Funding Programme launched by EUniWell. Marieke Liem, Professor Social Resilience and Security, has received a grant for the MASTERY project.

Quantum Rules lab van Leiden Universiteit biedt proefjes en experimenten voor middelbare scholieren om te leren over kwantum natuurkunde. Henk Buisman vertelt over het 5 jarige jubileum.

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

Emily Gdula, Liselotta Jahnke, Jason Irwin and Josephine Hercules are the newly appointed student representatives on the Programme Committee (OLC). This committee provides advice to the Executive Board and the Faculty Board of CADS on various educational issues, including the development of Course and…

Using the James Webb Space Telescope, an international team of researchers, including Leiden Professor of Molecular Astrophysics Ewine van Dishoeck, has discovered a palette of hydrocarbons in a planet-forming disc around a young, low-mass star. The results confirm that discs around very lightweight…

A large research group involving Leiden University as corresponding Host Institution has been awarded a major European grant, the ERC Synergy Grant. This for research on how Europe developed after the fall of the Roman Empire with special attention to the yet underexplored but undoubtedly important…

How is our perception of sound informed by the way we participate in the world? That is the question PhD candidate Gabriel Paiuk has been pondering in recent years. 'The way we experience sound is informed by material, technical and collective conditions that influence our interaction with the envir…

With the holidays just around the corner in this dark month of December, when we light candles as a symbol of warmth and hope, we would like to take a moment to reflect on this past year. We have accomplished a great deal together but the year has been difficult at times.