From black holes to artificial intelligence and from drug research to data science: welcome to the fascinating world of the Faculty of Science. Our researchers, students and guests regularly give public lectures about their work. You are welcome to attend.

After your graduation, Leiden University would love to stay in touch with you. Alumni are an important part of the university; with your experience we can improve the education, and you can be part of a valuable network full of knowledge and experience. Find out what options you have to stay in touch…

Making an impact by creating solutions for the challenges of the future. That’s what we do through our education and research in biodiversity and sustainability, artificial intelligence, complex networks, new medicines, quantum technology, and galaxies.

Professor Annemarie Meijer and several students explained to more than 8000 visitors the zebrafish as a model for research during the National Weekend of Science (3-4 Oct) at Science Center NEMO in Amsterdam.

Lecture

Lecture, NGL lecture

Lecture, Oort lecture

LIACS organizes different lectures and seminars like the LCN2 Seminars and SAILS Lunch Time-seminars.

On April 20, sixty participants will take part in LION’s triannual meeting for high school physics teachers, to deepen their knowledge of physics and astronomy and to explore new teaching methods. This edition marks a special occasion, as it is the last meeting organized by Bert van der Hoorn, who will…

Today, everybody and everything produces data. People produce large amounts of data in social networks and in commercial transactions. Medical, corporate, and government databases continue to grow. Sensors continue to get cheaper and are increasingly connected, creating an Internet of Things, and generating…

What is and should be the role of universities in supporting business? How can business benefit more of relationships with science? And what is the role of policy makers in supporting a productive relationship between science and business? Professor Simcha Jong Kon Chin examines the interactions between…

Lecture, Astronomy on Tap

Lecture, Astronomy on Tap

Lecture, Astronomy on Tap

Lecture, Astronomy on Tap

Lecture, Astronomy on Tap

Lecture, Astronomy on Tap

These are our lecturers (in alphabetical order) for the 2026 Summer School in Languages and Linguistics.

Information for lectures is available on Brightspace

This inaugural lecture discusses the question: How to cooperate in the digital era?

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs, alongside leading practitioners. Their expertise spans international relations, security policy and counterterrorism, bridging academic insight with real-world experience.

First held in 2013, the Europa Lecture is an annual lecture organised by the Europa Institute of Leiden Law School. It provides leading thinkers, scholars and politicians with a platform to share their views on questions of European integration with the academic community and wider public.

As a part of NVIC's film & lecture program, you can join a public film screening on Sundays at 6:30 pm, and a lecture on Thursdays at 6 pm. Seats are limited and we work on a first-come, first-serve basis. Our doors open 30 minutes in advance, and close 15 minutes after starting time or earlier in case…

The LED3 hub, consisting of researchers from the Leiden Institute of Chemistry (LIC), the Institute of Biology Leiden (IBL), the Leiden Academic Centre for Drug Research (LACDR) and the Leiden Institute of Advanced Computer Science (LIACS), is very excited to organize the “LED3 Lectures”. This lecture…

From 9 until 20 October 2017 Stephanie Rap has visited the Renmin University of China Law School in Beijing to teach a course titled Juvenile delinquency and juvenile justice: interdisciplinary perspectives. She was warmly welcomed by the vice-dean Prof. Yanan Shi and Ms. Lei Chen, head of the law school’s…

Twice a month researchers from the Institute of Biology Leiden invite national and international speakers for a lecture on a broad range of topics in biology. The lectures are public and held online in Kaltura.

The west side of the campus square is occupied by the Lecture Hall, known as ‘the dish’. This building houses the largest lecture halls of Leiden University, which welcome hundreds of students every day. It also has Leiden’s largest solar panel roof, with 1241 solar panels.

The NestWacht project is a Citizen Science collaboration between Science Centre Delft, Naturalis, and the Citizen Science Lab of Leiden University to engage individuals, families and primary schools in Leiden and Delft in scientific research on the impact of climate change on nature in their city, and…

Since 2019, the Foundation for Austrian Studies organises an annual lecture in cooperation with the Institute for History.

The west side of the campus square is occupied by the Lecture Hall, known as ‘the dish’. This building houses the largest lecture halls of Leiden University, which welcome hundreds of students every day. It also has Leiden’s largest solar panel roof, with 1241 solar panels.

Until 2019, LUCIS hosted one annual lecture, inviting an eminent scholar to give a large-scale lecture in one of the finer halls at Leiden University. Because of their success, we now organise four larger lectures every year, entitled LUCIS Keynotes.

During this semester, the University of Vienna offers the 19th lecture series on Gender Studies. On 21 November 2017, Christa Tobler, Professor of European Law at the Universities of Basel (Switzerland) and Leiden, gave a lecture on the subject of multiple discrimination, including also sex.

By comparing individual health data with population data, doctors can provide personalized health advice and patients can learn from each other's experiences. Wessel Kraaij, professor of Applied Data Analytics shows how personal data can have predictive value.

LUCDH presents a lunchtime talk once a month on recent research in Digital Humanities & AI. All Leiden University staff and students are welcome to attend in the Digital Lab, Huizinga 0.09 (as well as online). Lectures are announced via the LUCDH Webpages & Newsletter. Please register so we can keep…

A monthly lecture series about early drug discovery research at Leiden University.

The Hans Franken Lecture honors the legacy of Prof. Dr. Mr. Hans Franken, a founding figure of eLaw in 1985.

This is an annual series of public lectures at the location that forms the heart of astronomy in Leiden: the Old Observatory.

The EEE lectures are a monthly cross-disciplinary lecture series where globally renowned and inspiring thinkers and scientists are invited.

Professor Jan Aart Scholte delivered an inaugural lecture, entitled “Governing a (Better) Global World” on Friday 4 February 2022 in the Groot Auditorium of the Academy Building, Rapenburg 73 in Leiden.