One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

Learn the newest insights from established researchers.

Arts and culture

In 2017, in an ordinary field, two brothers from Brabant discovered more than 100 ancient coins. The Leiden historian who examined the coins concluded that they constituted a genuine Roman treasure. Here follows a reconstruction in three acts.

Many of our staff and students have won prizes over the past year. Others have been awarded a subsidy, or, because of their eminence in their field, they have been appointed member of an academic society or have taken on a position in the community. Reasons enough to be proud of them and to include…

A lesson about aerodynamics from Vice-Rector Hester Bijl, about child rights by UNICEF professor Ton Liefaard, or about muscles by LUMC professor Annemieke Aartsma-Rus. The University treated school children to guest lectures by professors to celebrate its 444th birthday.

From 2 to 4 September 2019 the Conference and Summer Course on the Europeanisation of administrative law took place in Leiden. The central theme of the Conference and Summer Course was the Europeanisation of national administrative law through general principles of law: from resistance to voluntary…

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.

The English edition of Rijpkema’s Weerbare democratie is published in Routledge’s Extremism and Democracy series, one of the leading series in the field, edited by Roger Eatwell and Matthew Goodwin.

The European Commission sees increased labour migration as a solution to the growing personnel shortages, but the Dutch Labour Inspectorate argues that this is not a tenable business model. Professor of Economics Olaf van Vliet discusses the advantages and disadvantages of labour migration for the economy…

On 28 June 2017 the Department of Child Law and the Van Vollenhoven Institute of Leiden Law School organized the colloquium ‘Minorities and The Criminal Justice System’, with James Bell as the keynote speaker.

Each year the Grotius Centre in The Hague organises a number of internationally renowned moot court competitions. These competitions, also referred to as ‘moots’, offer international law students a unique opportunity to learn more about international (criminal) law in the City of Peace and Justice…

Leiden Professor of Number Theory Manjul Bhargava has been awarded a Fields Medal, widely regarded as the Nobel Prize for Maths. Bhargava is a professor in Princeton, and since 2010 has also been the holder of the Stieltjes chair in Leiden.

On December 12th & 13th composer and doublebass-player Christopher Williams will defend his thesis Tactile Paths to obtain his doctoral degree.

On Thursday 11 November, Women in International Security Netherlands (WIIS-NL) held its inaugural webinar event on 11 November with four speakers in conjunction with the International Centre for Terrorism (ICCT) and the Chair UN Studies in Peace and Justice at Leiden University.

Tuesday May 24th, the LACDR Annual Spring Symposium was held.

On Thursday 11 May 2017, Qiang Yu will defend his doctoral thesis ‘Market Power and Competition Law In the Software Industry’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisors of the research are Professor T.R. Ottervanger and Professor…

Prof.dr.ir. Hai-Xiang Lin is appointed on 1 March 2015 as part-time professor on Data Analytics for Environmental Modelling at CML on behalf of the R. Timman foundation. He will join the CML-department of Industrial Ecology. He has a position at the Department of Applied Mathematics at the Faculty…

What is Interaction between Legal Systems (ILS) and what does it entail as research profile area at Leiden Law School? More on this at the kick-off event of ILS 2.0. This will take place on Wednesday 26 October 15.00 – 17.00 in the Grotiuszaal (A051 KOG). The afternoon will be closed with drinks at…

On 3 March 2022, Cambridge University Press published An Introduction to Public International Law, a co-authored textbook led by Cecily Rose.

The Leiden African Studies Centre (ASCL) will become part of the University from 1 January 2016.

From painted pottery to tattooed mummies, art has always been essential in human culture. Exploring the human past, archaeologists study art in the widest sense; from the technical aspects, to decrypting meaning. The new exhibition ‘Art-chaeology’, however, turns the tables and gives the pencil and…

Suzanne van der Pluijm will be appointed Executive Director and Member of the Board of the Faculty of Science with effect from 1 June 2022. She succeeds Ed van den Berg, who has held this position on an interim basis since 1 September 2021 .

On Wednesday 12 December 2018, the department of Child Law, on the initiative of dr. Yannick van den Brink, dr. Stephanie Rap en prof. dr. Ton Liefaard), organized an expert meeting on ‘Equality, children’s rights and digital technologies’. The objective of the meeting was an in-depth exchange of ideas…

For the second time in six months, Hans-Martien ten Napel has been invited to write the opening essay for a series of international blog posts.

The JASON Institute, together with the Jean Monet Centre of Excellence, Leiden University Campus The Hague, the Ministry of Foreign Affairs and Jonge Atlantici, is very pleased to invite you to the Symposium on European Defence- and Security Policy.

On Friday 3rd June, the Europa Institute hosted a Leiden Law Exchange (LLX) on the British referendum on membership of the European Union. In a roundtable discussion, academics, policy makers and other experts engaged in a lively debate on the legal and political implications of a ‘Brexit’ or a ‘Bremain’…

Together with four European partner universities heritage specialist Dr Monique van den Dries has been granted an Erasmus+ project (EU-CUL) by the European Commission. This project sets up a unique cooperation between educational scientists and academic heritage specialists. It will study how universities…

An international team from the Netherlands, France, Norway and Austria demonstrate how new sequencing technologies can be used to efficiently generate the genome, DNA, sequence of an endangered animal, the European Eel.

The end of January arrived together with welcome guests from Saxion University of Applied Sciences. As a part of their two-day-long visit to South Holland, almost 100 Saxion archaeology students visited our Faculty.

Lodewijk Govaerts has been appointed by Ingrid van Engelshoven, caretaker Minister of Education, Culture and Science (OCW), as a member of the Board of Governors of Leiden University.

On April 16th, Radboud University Nijmegen hosted an online workshop on (challenges to) judicial legitimacy. Legitimacy is one of the core concepts within the research theme Institutions for Conflict Resolution (COI). COI is a nation-wide partnership that serves to implement the Dutch Sector Plan for…

More than 100 anthropologists work at Leiden University – not only at the Institute for Cultural Anthropology and Development Sociology (CA/DS) in the Faculty of Social Sciences, but also within other faculties, for example at Archaeology, Law, the Humanities, or the Leiden University Medical Centre…

On Tuesday 23 May 2017, Jasmina Mackic will defend her doctoral thesis ‘Proving discriminatory violence at the European Court of Human Rights’. The defence will start at 15.00 hrs, at the Academy Building of Leiden University, Rapenburg 73. The supervisor of the research is Vice Dean and Professor of…

On 20 October 2016, a highly successful 2nd CML Rev Annual Conference took place, in Oslo. This was organized in cooperation with the Oslo Centre for European Law. The title was: Crossing Europe’s Borders: New approaches to migration in European law.

On 3 December 2019 Hanna Bosdriesz defended her dissertation on the fight against impunity for grave human rights violations in Latin America.

Apart from his activities as coordinator of the Academy of Creative and Performing Arts, Rogier Schneemann is co-founder, guitarist and composer of the Dutch-Italian group Azure Hiptronics, originally formed in 2006.

The EL CID introduction week has come to a close. This was the week when first-year students got to know one another, the city and their study programme better. See the week in photos.

For twenty years, the Art History study programme had its own journal, the highly successful Decorum, which was written and edited by students. When the last editor left, the magazine ceased publication. Now, more than 20 years later, it’s time for a new Art History journal.

The newly launched NWO funded research project ‘Bridging art, design and technology through Critical Making’ aims to interrogate Critical Making by experimentally applying it to a broad range of artistic practices.

Emily den Boer of LAPP visited the Canal Cups Expo, displaying the plastic cups cleaned up by students after Leidens Ontzet.

A week before Christmas, the Deltaplan for Dutch Mathematics was presented to Hans de Groene (director NWO) and Sjoerd Verduyn Lunel (chairman Platform Wiskunde Nederland). Prof. dr. Frank den Hollander was one of the leading researchers in mathematics taking part in the Commission Deltaplan Mathema…

Nico Schrijver and Niels Blokker (Grotius Centre, Public International Law) organised a seminar on the role of non-permanent members of the UN Security Council on 11 and 12 May. The seminar was held with the involvement of the Dutch Ministry of Foreign Affairs, as the Netherlands will be a member of…

A recent publication by Niek Strohmaier, Assistant Professor of Empirical Legal Studies (ELS) Lab @Leiden, together with Professor Jan Adriaanse, Professor Kees van den Bos and Associate Professor Helen Pluut, has been accepted by the Journal of Applied Social Psychology.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

On Wednesday September 20th, Diamanto Fragkiadaki received her MSc degree in Psychology. She is the first student to complete the master’s specialisation School Psychology, which started in September 2016.

Marta Fiocco, professor in the Mathematical Institute, has received a grant for analysing data on chemotherapy in children suffering from leukaemia. The work involves developing and applying new statistical methods that will help determining the optimal dose of chemotherapy.