We always try to answer questions about the Old Observatory Leiden as well as possible. Choose the subject you have a question about from the dropdown menu below.

Our centre seeks to form a community which connects a network of academics of various disciplines, with organisations interested in public governance.

For Leiden University’s operations, sustainability is an important topic, especially looking at the CO2-footprint, renewable energy and the greening of buildings.

The project 'Data use, online consumer needs, business strategies and regulatory response' aims to explore and examine the factors that impact upon the efficacy of information disclosure duties pertaining to customer data use in online business.

Any questions, comments or ideas for collaboration?

General contact information of the Young Academy Leiden

Do you want to learn more about the programme? Or are you interested in a collaboration? Please do contact us.

Please contact us, if you would like to be in touch about the project:

Would you like to know more about the AI Collaboration Centre ? Send us an email and we will get back to you as soon as possible.

LAPP is open for volunteering students of the Leiden Law School. Students work alone or in teams on questions of our clients.

Would you like to invite Sustainable City Lab for a chat to discuss a sustainability issue, or to explore how we can work together? Or would you like to visit us on campus?

This thesis is a (biased) journey through very different topics in astrophysics: quasars and new populations of active galactic nuclei, gravitational waves from merging black holes, and protoplanetary discs around young stars.

Form and Function in Greek Grammar. Linguistic Contributions to the Study of Greek Literature is a new book, written by Albert Rijksbaron. Rijksbaron is internationally known as one of the leading scholars of the Ancient Greek language, whose work has exerted a strong and lasting influence on the scholarly…

At the Lak you can participate in a large variety of artistic and creative courses taught by our professional teachers. We offer courses in the following categories: theater and presentation, dance, visual arts, music, photography and writing (literature). All staged art courses come to a close with…

There are a number of different people in the Faculty of Humanities who deal with aspects of diversity and inclusion. This web page has been developed to make it easier to find the contact details for the right person for you.

Do you want to know more about LUC's bachelor’s programme and experience what it’s like to study in The Hague? Join one of our introductory activities!

This page is currently only available in Dutch.

In Freedom on the Offensive, William Michael Schmidli illuminates how the Reagan administration's embrace of democracy promotion was a defining development in US foreign relations in the late twentieth century.

The International Institute of Air and Space Law, founded in 1985, collaborates with many world-class academic institutions.

The Academic Language Centre is part of the Leiden University Centre for Linguistics (LUCL) and provides language services to students and staff of Leiden University and the Leiden University Medical Centre.

Healthy University Leiden aims to promote a working environment where staff and students can do their jobs responsibly, healthily and in positive surroundings, and where they can achieve their potential.

Do you want to know more about the Brave Little Ones research team and our partners? Find it here!

Leiden University was founded in 1575 and is one of the leading international research universities in Europe.

Het Empower your PhD-project is een universiteitsbreed project, geïnitieerd vanuit de Faculteit der Sociale Wetenschappen (FSW)

Leiden University has much to offer, so why not come and visit? We’d like to meet you.

An overview of frequently asked questions

Data Science

eLaw at Leiden University leads Europe in exploring the intersection of law and digital technologies.

In dozens of study rooms, libraries and laboratories, passionate scientists – with the support of the donors of the Leiden University Fund – are working on a fundamental understanding of the world and the people around us. They make the unknown known and push the boundaries of existing fields of sci…

Leiden University Centre for Linguistics (LUCL) is a reputable institute in the field of linguistics, offering excellent research and education opportunities covering a broad range of languages of the world.

Get to know LUGO better! Read here about the Leiden University Green Office, the Green Office Movement and meet our team.

The use of generative AI and AI assisted technologies are more and more widely used. Neglecting the use of AI for PhD trajectories will be very difficult, since the tools develop further and get more advanced.

The Mathematical Institute regularly has vacancies. These are advertised on the homepage of the Mathematical Institute or on the general website of Leiden University. You can also join the Mathematical Institute as a guest, and of course you can also pursue a bachelor's or master's degree with us.

The LUCL Office coordinates the day-to-day running of the institute. It is responsible for handling general enquiries and can assist with all practical matters concerning LUCL and its staff.

The Sport Data Center (SDC) consists of the data science disciplines of Leiden University and Technical University Delft, combined with the sport science branches of the Amsterdam Institute for Sport Science and the Sport Engineering Institute of the Technical University of Delft.

Be part of the conversation and keep in touch with us to find out about study programmes and studying at Leiden University

The staff of the Europa Institute possess extensive expertise on European Union law and European Human Rights law generally. Current research focuses on five areas of particular relevance for European integration.

If you have any questions, we’ll be happy to help you!

Leiden University was founded in 1575 and is one of Europe’s leading international research universities. It has seven faculties in the arts, humanities and sciences, spread over locations in Leiden and The Hague. The University has over 6,700 staff members and 29,520 students. The motto of the University…

The Human Origins group at Leiden University studies the archaeology of hunter-gatherers, from the earliest stone tools in East Africa, more than three million years old, to the origin of sedentary societies towards the end of the last ice age.

The Young Academy Leiden (YAL) is a select group of young academics at Leiden University. Founded in early 2019, it serves as a platform to bring young, enthusiastic and driven early career (post-PhD) academics together.