Professor Marc Koper researches how you can use electrical energy to make or break chemical bonds. He has just been awarded a Spinoza Prize, the Netherlands’ highest personal science award, for his fundamental research into how this form of electrolysis works.

As of 1 September 2019, Prof. Pieter ter Keurs will assume the position of Scientific Director at the Leiden-Delft-Erasmus Centre for Global Heritage and Development as well as that of Professor of Museums, Collections and Society at the Faculties of Humanities and Archaeology at Leiden University.…

Arianna Pranger has lost her heart to teaching. A senior lecturer on the master’s programme in Pharmacy, she won the LUS Teaching Prize 2020. The programme trains students to be pharmacists.

In January 2014, the research project The Promise of Organization hosted a fruitful three-day conference:

Professor of Radiology Lioe-Fee de Geus-Oei was already a professor at LUMC and the University of Twente. As Medical Delta professor, she has now also been appointed at Delft University of Technology. 'Talking with people from other disciplines always makes me immensely humble, because they look at…

Many primary school children suffer from anxiety and their numbers are increasing. Psychologists from the Knowledge Center Anxiety & Stress (KAS) are developing and researching preventive training.

2025 was a year to remember at our faculty. We celebrated our 450th anniversary, launched new degree programmes and welcomed many inspiring speakers, yet we also felt the weight of budget constraints. Our year in a nutshell:

This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…

On Thursday 22 January, the Honours College Law New Year's event addressed the urgent issue of femicide. Experience-based expert Anne-Marije van den Bersselaar and assistant professors Mojan Samadi and Ellen Gijselaar explored the topic from personal and legal perspectives.

Big celebration upcoming weekend: MIRD's 20th anniversary is on the cards. Four alumni from different periods tell what this unique two-year master's in International Relations and Diplomacy has brought them.

This year, the Netherlands and China reflect on fifty years of diplomatic relations at ambassadorial level. How has the relationship between the countries developed over the past half century? An interview with university lecturer Vincent Chang.

Psychologists Anna van ‘t Veer and Eiko Fried will start a scientific integrity workshop tour after the summer, called Responsible Scholarship: Psychology. Their aim: giving the subject a more prominent position in the academic’s mind.

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?

For five years, Pauline Hutten put her heart and soul into the Faculty Council of the Faculty of Governance and Global Affairs (FGGA), but a short time ago, she handed over the baton to Sanneke Kuipers, who is now Chair. We met up with them both for a joint interview about the importance of particip…

Sexual harassment was the theme of the recent annual symposium of student ambassadors to the Leiden-Bollenstreek police in collaboration with the police and the municipality. An extremely important issue to students − if the 100 places being claimed as soon as the symposium was announced was anything…

On Monday 21 November a lecture was given at Leiden Law School of Leiden University by Belgian Minister of Justice Koen Geens and Dutch Minister of Justice and Security Ard van der Steur in which they talked about international judicial cooperation. The lecture focussed on cooperation between the Netherlands…

Asma Mehan is one of the researchers involved in this project since June 2020 and works at CADS. What exactly is PCF and why is research in port areas important? An introduction to Asma Mehan and PCF.

What do I do if Mum or Dad gets the virus? Could the slide at the playground have coronavirus on it? Can children die of the virus too? On 15 April, the National Science Agenda organised an hour-long session on Facebook to give children the chance to ask their questions about coronavirus. Leiden psychologist…

It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…

On March 13, Dr. Erik Deul passed away at the age of 67. He leaves behind his wife Wilma, children Caroline and Wouter, and grandchildren Joris, Stach, Viggo, Archie and and a granddaughter expected later this year. Erik served as head of ICT at Leiden Observatory for 35 years, and later also at the…

On Thursday 22 January, the Honours College Law New Year's event addressed the urgent issue of femicide. Experience-based expert Anne-Marije van den Bersselaar and assistant professors Mojan Samadi and Ellen Gijselaar explored the topic from personal and legal perspectives.

On February 10, 2026, emeritus Professor Dr. Takamitsu Muraoka (1938–2026) passed away, one day after celebrating his 88th birthday. From 1991 until his retirement in 2003, he held the chair of Hebrew Language and Culture, Israelite Antiquities, and Ugaritic at Leiden University.

As Director of Education, Marcellus Ubbink learned to work together with many different people. For him, the social aspects are one of the key areas in his new role as Scientific Director of the Leiden Institute of Chemistry. Who is this new manager and what can we expect from him?

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements below.

The Joan van der Waals colloquium is an ongoing bi-weekly lecture series.

PhD defence

Lecture, Research Seminar

CADS Research Seminar

Conference

This was the programme for The Knowledge Orchard 2025:

Cosmopolis seeks to explore the transnational and cultural dimensions of intra-Eurasian encounters through Dutch sources.

Diplomatic Studies (DIST) is a peer-reviewed book series that encourages original work on the theory and practice, processes and outcomes of diplomacy.

The Hague Journal of Diplomacy regularly publishes reviews of recent books within the field of diplomacy and global affairs, written in English, Spanish, French, or German.

The core curriculum equips students with the conceptual approaches and qualitative empirical research methods necessary to analyze law in context. Specialized electives enable students to dive deeper and focus on particular areas of legal practice—from legal mobilization to regulation and compliance…

Lecture

Lecture, China Seminar

Arts and culture, Studium Generale

Lecture, Lunch Research Seminar

Lecture, China Seminar

Workshop

Lecture, Sociolinguistics & Discourse Studies Series

Lecture, Book presentation

Conference