Update : August 2017 Dr Willem van Haarlem

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why you have to choose Leiden University to study your bachelor's programme.

What is a good data protection law? How does a good data protection law evolve? Is European data protection law a good one? And whether the European data protection applicable to China?

As every academic year, the leadership team of the Young Academy Leiden is changing. As of September 2021, Dr. Annemarie Samuels (Associate Professor, Social and Behavioural Sciences), former Vice-Chair, will be the Chair of YAL. And Dr. Sarah Giest (Assistant Professor, Governance and Global Affairs)…

The Old Observatory houses four historical telescopes. On this page you can learn more about them.

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why they chose Leiden University to study their master's programme.

In the Netherlands judges are not the only ones to impose sentences. The Public Prosecution Service and the authorities can also pass sentences. Experts from Leiden research how these sentencing processes work and how they can be improved in order to protect the legal status of the public.

The Leiden Faculty of Archaeology is a world renowned academic centre for the study of the past. Our archaeologists and heritage experts are involved in innovative projects all over the world.

The Collective Experience of Empathic Data Systems (CEEDs) consortium developed novel integrated technologies that support experiencing, analysing and understanding of very large datasets.

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why they chose Leiden University to study their master's programme.

Leiden is the ideal city for students. There is a wide variety of activities you can do next to your studies, to make the most out of your student life.

Do you want to know the best reasons to study at Leiden University or want to know what's it like to live in the student cities Leiden or The Hague? Our students tell you why you have to choose Leiden University to study your bachelor's programme.

Three-quarters of our alumni find a job in less than three months. Have you thought yet about what you’ll do once you’ve completed your master’s? At Leiden University we do our utmost to help you get your career off to a flying start.

The current migration flow into Europa demands effective measures. Leiden experts examine whether these measures are legal and hold up a mirror to policy-makers.

The objective of this project is to understand the content and structure of science teachers’ knowledge and beliefs, and how these change in the context of pre-service teacher education and educational innovation.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden is the ideal city for students. There is a wide variety of activities you can do next to your studies, to make the most out of your student life.

Leiden is the ideal city for students. There is a wide variety of activities you can do next to your studies, to make the most out of your student life.

The master’s programme Industrial Ecology at Leiden University is an emerging scientific discipline that takes a systemic approach to environmental problems. The master in Industrial Ecology is a co-operation between Leiden University and Delft University of Technology.

By effectively integrating world-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

We are convinced that you’ll have a wonderful time at Leiden University, but you don’t have to take our word for it. If you’re looking for objective opinions of what it’s like to study here, listen to what current students and alumni have said about it!

The research within the Food research programme at CML focuses on a transition towards sustainable food production and consumption systems. We investigate from a very small to a very large scale, at a local, national or international level. We do so by researching for example molecular tools, food systems,…

The Leiden University Political Science bachelor’s programme enjoys a high popularity. To assure the quality of education, the number of students it admits is limited. This is known as a 'numerus fixus'. If there are more applications than this ‘numerus fixus’, a selection and placement procedure will…

In the specialisation Applied Cognitive Psychology, part of the Master in Psychology, you develop all the practical and academic skills necessary to apply psychological knowledge to real-life problems in working environments and organisations.

In the specialisation Occupational Health Psychology, part of the Master in Psychology, you will integrate knowledge of several disciplines in psychology, with a clear focus on workers and their work setting.

The Kroese-Duijsters Symposia aim to provide researchers from different fields and different career stages to meet in an informal setting, to stimulate discussions and to start new collaborations. The Kroese-Duijsters Symposia started in 2022 and we are pleased to invite you to the 3rd Kroese-Duijsters…

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

Why do flowers often smell so wonderful? And some other plants are very horrible? Come smell it, see it and discover it in the visitor center in the Old Observatory. Suitable for young and old.

LIACS prof. Grzegorz Rozenberg is one of the world leaders in research on Theoretical Computer Science and Natural Computing. He is often called the guru of Natural Computing.

How has democracy’s decline affected law making processes, enabling powerful stakeholders’ influence while minimalizing the protection of public interest and the environment?

Do you want to experiment with new teaching methods, connect education to society, or design a course with a colleague of another discipline? Then the Honours Academy is the right place for you.

Professor of Dutch History prof.dr. H. (Henk) te Velde will become interim Dean of the Faculty of Humanities at Leiden University for a two-year term with effect from 1 March 2025. He will succeed prof.dr. M.R. (Mark) Rutgers. Mark Rutgers’ second term of office expires on 1 March 2025; he will be professor…

By effectively integrating word-class scientific research and excellent education, you will become a professional astronomer with an internationally recognized degree.

The relative simplicity of the bacterial cell, short generation times and well defined and inexpensive culturing conditions have significantly contributed to our understanding of many complex biological systems. Yet the workings of the bacterial genome, seemingly impossibly compressed within a tiny…

Promotores: Prof.dr. A.G.G.M. Tielens & Prof.dr. L. Kaper (UvA)

The topic of this study is the portfolio that is being used in a teacher education institute as an instrument for stimulating reflection on their development as teachers by student teachers.

Education in (Chinese) Medicinal Plants associated to the Hortus botanicus in Leiden - Which Traditional Chinese Medicinal plants can be grown in the Hortus? - Establishing of a database which Chinese medical plants are available in Dutch Botanical Gardens - Data validation (correct identification,…