Since the early 1990s, one can isolate the optical signal of a single molecule and single-molecule spectroscopy has quickly grown into an important research field.

Michel Orrit was awarded the Physica prize 2016 for his groundbreaking work on single molecule spectroscopy.

The Royal Netherlands Academy of Arts and Sciences (KNAW) selects prominent researchers as members based on their scientific achievements. On September 17th, the KNAW will install 21 new members, including Leiden physicist Michel Orrit and chemist Hermen Overkleeft.

The Royal Netherlands Academy of Arts and Sciences (KNAW) selects prominent researchers as members based on their scientific achievements. On September 17th, the KNAW will install 21 new members, including Leiden physicist Michel Orrit.

The European Physical Society has awarded the prestigieus Edison Volta Prize to Leiden physicist Michel Orrit. The prize is handed out every two years to an individual or a group of at most three scientists as an acknowledgment of an outstanding achievement in physics research.

On Thursday 28 September at 19:45, tv channel NPO Cultura will broadcast an interview with Michel Orrit about his Spinoza Prize winning research, as part of the series ‘Dankzij Spinoza’.

On September 12, Michel Orrit received his Spinoza prize in the Royal Theatre in The Hague from OCW Secretary of State Sander Dekker. With the award comes a budget of 2.5 million euro, to be spent freely on scientific research, and the coveted Spinoza statue. Orrit shared the honor with Eveline Crone…

Of this year’s four NWO Spinoza Prizes, two have been awarded to Leiden researchers. On 12 September, Eveline Crone and Michel Orrit received their prizes, the highest scientific award in the Netherlands. The Spinoza Prize carries an award of 2.5 million euros.

Michel Orrit has received an NWO-TTW Open Technology Programme grant. He will use it to image single molecules without the need for fluorescence.

An important award like the Spinoza Prize, the 'Dutch Nobel Prize', generates lots of media attention. An overview.

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

Information for lectures is available on Brightspace

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…

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.

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.

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.

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.

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.

Circular economy… is it another a buzz word or a concept worth learning more about?

Sustainability and the law lecture series featuring guest speakers discussing legal and social aspects.

The Ada Lovelace Distinguished Lecture Series brings outstanding computer scientists from around the world to Leiden University. The lecturers will share exciting ideas and results from the forefront of computer science.

The Tatiana Afanassjewa-lecture series was a series of public talks in Dutch that was started during the Covid-19 lockdown. The talks were given by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.

Lecture Hall, Einsteinweg 57, 2333 CC, Leiden

Discussing or giving a lecture about a war situation is no easy task. Nonetheless – or maybe for this very reason – students or lecturers do feel the need to have such a discussion during classes. We share here a number of tips and sources to steer the conversation or lecture in the right direction.

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Extraordinary professor Paul Kessler studies what the Hortus botanicus Leiden can offer research, higher education and the public…

Take a view on the slides of the presentation and read what the event of Climate Change & Health was about.

Didactics

The Tatiana Afanassjewa-lecture series is a series of public talks in Dutch by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.

Optical cavities are useful tools to enhance the interaction between light and matter, which is important to make good quantum emitters. However, it turns out that the cavities themselves (without any quantum emitters) are already interesting objects to study.