Lecture

Lecture

Thanks to an extremely successful crowdfunding campaign, the Leiden Law School now has a mock courtroom for Moot Court, the course that teaches students advocacy skills. ‘The more realistic it is, the better. Then students grow into their role.’

Former Leiden Observatory PhD candidate Danna Qasim has won no less than two prestigious prizes with her thesis, titled 'Dark ice chemistry in interstellar clouds'. Qasim received the IAU PhD Prize from the IAU. The Astrochemistry Subdivision of the American Chemical Society (ACS) honoured her work…

‘We’ve only just begun,’ said Honorary Doctor Jennifer Chayes in her acceptance speech after receiving her Honorary Doctorate on 8 February. 'We are on the cusp of a data revolution, which will deeply impact both science and society.'

Donald Trump was sworn into his second period as President of the United States on 20 January 2025. Since then, the Trump administration has raised alarms for people around the world who are concerned over what this will mean for the current geopolitical landscape. Join a panel of experts to discuss…

In the academic year 2018 - 2019, the Faculty of Humanities established the Educational Innovation Programme. In this way, the faculty wants to realise the ambitions from the educational vision of Leiden University in education. How is the programme currently doing? We talked to project manager Sanne…

Associate Professor of Physical Geography Paul Hudson at Leiden University College was interviewed by TIME Magazine on the Mississippi floods that have been harassing the United States this year.

The second authors' conference of the General Labour History of Africa (GLHA) project will be held from 10 to 12 December 2015 in Dar es Salaam, Tanzania.

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Two radio telescopes in Green Bank, West Virginia have brought together a few remarkable people. A new photo exhibition in the Old Observatory visitor centre gives an insight into the remote community. Due to the corona crisis, the Observatory is not open to the public. That’s why we’ve selected a few…

When professor Frank Israel graduated at Leiden Observatory some forty years ago, little did he know that one of his theories would be making headlines in 2018 - in the form of a 3D animation on the Internet, no less.

Mathematics students Pim Spelier and Bob Zwetsloot both won a medal at the International Mathematics Competition for University Students (IMC) 2018 in Bulgaria. Spelier talks about the competition, his preparations, and a mistake that almost costed him his good ranking.

For more than forty years Heinrich Witte was responsible for the flora in the Hortus botanicus in Leiden. The 19th-century garden manager made the Netherlands famous with plants from Japan. The Old University Library is showing an exhibition of his work (19 August to 4 November).

You speak Japanese, know everything about medieval art or understand exactly what Hegel meant. And then you graduate. Many Humanities students find it hard to enter the labour market. A relevant part-time job can help. Therefore, the faculty has been working together with the employment agency Randstad…

His article on ‘the War on Drugs’ in Colombia and the Philippines has been in the top five most downloaded articles of Oxford University Press for some time. Now, Assistant Professor Santino Regilme is to receive a NIAS grant to map out the global war on drugs.

These are trying times for Ukraine. The armed conflicts with Russia in Donbass and Crimea have still not come to an end after starting in 2014. Ukranian minister of Foreign Affairs Pavlo Klymkin came to The Hague on February 2nd to discuss these current issues with Leiden students. ‘Ukranians will always…

George Floyd's death still leads to fierce protests against police violence and racism on a daily basis in the United States and abroad. We asked Paul Wouters how he experiences these developments and what this will mean for our faculty.

The La Galigo manuscript at Leiden University Libraries (UBL) has been digitized. The manuscript, which was inscribed in 2011 on UNESCO's ‘Memory of the World’ Register, is now freely available online and can be used for teaching and research. La Galigo is the world's longest epic, written in the Buginese…

Tell Balata Archaeological Park project On January 15th the cooperation project of the Faculty of Archaeology with the Palestinian Ministry of Tourism and Antiquities (Department of Antiquities and Cultural Heritage) and the Ramallah office of UNESCO was officially closed. At the same time the Archaeological…

The 2018 King's Speech was a string of statements containing little or no substance. It was obvious that, in an attempt to keep all the coalition parties happy, the speech covered more issues than in 2017. This is confirmed by an analysis of the speech carried out by public administration experts Gerard…

Monday 25 May saw the visit to Leiden of President Michelle Bachelet of Chile, accompanied by Queen Beatrix and Princess Máxima. Following a talk in the Academy Building on strengthening democracy in Latin America, the President signed a number of Memoranda of Understanding (MoUs).

The leading medical journal The Lancet has withdrawn a controversial publication on the antimalarial drug hydroxychloroquine. The reason for this is the open letter to The Lancet that over a hundred scientists signed, including Richard Gill, Leiden Professor emeritus of Mathematical statistics.

From telescopes to science fiction: in just one semester, students with no background in physics or astronomy get to explore the universe. The first group of students started last month in the new minor Our Universe.

The Centre for Innovation has launched a new podcast series called What if Education… In each episode, the host Monika Theron invites students, teachers and experts to think differently about education.

The Leiden University Academy of Creative and Performing Arts will be proudly awarding an Honorary Doctorate within the upcoming 440th Dies Natalis.

Leiden University College is buzzing with life again. On 13 August, this year’s new crop of students moved into their rooms. For more than two hundred first-year students, LUC will be their home for the next three years. On the occasion of ‘moving day’, we spoke with three of them.

Leiden alumn Colm O'Flynn joined the second MA programme at SAIS Bologna in 2015, and with good result: his final thesis was named the best of the year! Here, Colm shares his journey from Leiden to Bologna and beyond

The Faculty of Humanities has been ranked 17th Arts and humanities faculty in the Times Higher Education world ranking 2015-16. This makes it the top non-Anglo-Saxon institution on the list. The position is 7 places up in comparison with last year's list.

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…

Endocannabinoids - the body's own marijuana - are promising departure points for drug research. Professor of Molecular Physiology Mario van der Stelt examines whether inhibiting their production can be a way to fight inflammatory brain disease and to combat obesity. Inaugural lecture 19 October.

Prof. dr. Joanne van der Leun is tot september 2025 door het College van Bestuur van de Universiteit Leiden herbenoemd als decaan van de faculteit Rechtsgeleerdheid.

Helen Duffy was appointed as the Gieskes Chair of Human Rights and International Humanitarian Law last year. As the title suggests, her research, and to a large extent her teaching, focuses on how diverse areas of international law co-apply and interrelate.

In 2015, Jorryt Matthee thought he discovered an extremely distant galaxy called CR7, which lacked elements heavier than helium. Three years later, he shows with measurements using the ALMA telescope that the galaxy does have carbon after all, and even in normal concentrations. The American Astronomical…

On 14 November 2025, representatives from several organizations across the publishing reform and research assessment reform communities gathered in Pisa, Italy, for a workshop aimed at identifying and advancing joint actions to strengthen both movements.

Dutch newspaper Trouw investigated the tax position of multinational Cargill. Their conclusion? Cargill appears not to pay taxes over their profits. Trouw asked Jan van de Streek, Professor of Tax Law, and PhD candidate Josephine van der Have for an explanation. Prior to this, Van der Have had also…

Starting September 1st, philosopher Douglas Berger will be professor of Comparative Philosophy at the Leiden Institute for Philosophy. His appointment marks a new direction for research and education in philosophy at Leiden University.

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: Constant Hijzen researches secret services.

Drones are proving to be a good means of mapping man-made changes in the landscape. Geophysicist Till Sonneman and his colleagues (archaeology) are experimenting with drones in inaccessible areas of the Caribbean.

American physicist and quantum computing pioneer Seth Lloyd is the 65th Lorentz professor. He will deliver the Ehrenfest lecture on 5 June, and several more lectures on quantum computing on 11, 18 and 25 June.

American PhD candidate Linda Gottschalk wrote this proposition in her dissertation on Caspar Coolhaes, Leiden’s first Professor of Religious Studies. What's behind it?

Hans-Martien ten Napel has been awarded a Research Fellowship in Legal Studies at the Center of Theological Inquiry (CTI) at Princeton University, USA, which enables him to be in full-time residence at CTI for the academic year, 1 September 2014 to 31 May 2015.

Early hominins probably lived in Europe for hundreds of thousands of years before using fire to alleviate the winter cold, to cook or to make tools. It was only in the period betwen 300,000 and 400,000 years ago that the first finds were made that indicate that people had the ability to control fire…

Dr. Elif Naz Kayran received the Best Dissertation Award from the Migration & Citizenship Section of the American Political Science Association (APSA) for her dissertation 'Political Responses and Electoral Behaviour at Times of Socioeconomic Risk Inequalities and Immigration'

‘In recent publications about the slave trade the same rhetorical weapons are used as two centuries ago in the battle for the abolition of the British slave trade. It is a topic fraught with emotions, but that should not prevent historians from being as careful and impartial as possible in their research,’…

Can humans sense where north is, using what is known as magnetoreception? This question had master’s student Björn Keyser (Media Technology) so intrigued that he started crowdfunding to be able to study this together with the California Institute of Technology.

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

Recognition for an unprecedented career of more than forty years: Professor of Applied Statistics Jacqueline Meulman of the Mathematical Institute receives the Career Award of the Psychometric Society. ‘A fantastic surprise.’