Promotores: Prof.dr. H Lenstra, Prof.dr. A Facchini (Padova University)

Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

In September 2023 Social Justice Research, a journal from Springer Nature, published a ‘Special Issue on Veteran Reflections’. Eight ‘veterans’ analysed the current status of justice research and suggested new directions and refinements. Herman Steensma, guest member of the section Social, Economic…

This thesis investigates the structural evolution and assembly of galaxies since the first few billions years after the big bang.

Promotor: F.H.J. Redig, Co-Promotor: W.T.F. den Hollander

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Purple clothing and a pride flag flying from all University buildings: Leiden University is once again taking part in Purple Friday. How do people experience this day? We asked some employees and students of the Faculty of Humanities.

The Food citizens? team has included two post-docs, three Ph.D. candidates and two research assistants working with the Principal Investigator. The Winter School involved nine Masters and Ph.D. candidates from the universities of Bologna, Gothenburg, Kaunas, Leiden, Louvain, Tromsø, Turin and Utrech…

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

Positive friendships are characterised by understanding mutual wishes and intentions, respect for each other’s boundaries and pro-social behaviour. Qualities that might be more challenging for autistic adolescents.

The occupation of the Afghan capital Kabul by the radical Taliban movement on 15 August 2021 received enormous international attention, not least because of the crisis that soon enveloped Kabul airport as desperate Afghans sought to flee the country on evacuation flights mounted by the United States…

Leiden’s beadle, Willem van Beelen, is retiring on 29 February. How does he look back on his career and what do those in the know have to say about him?

Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'

The publication of the recent IPCC report on climate change has not gone unnoticed, to put it mildly, certainly not within the Liveable Planet community.

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

You can ask virtual assistant Siri about the weather, but you can’t have a real conversation with it yet. You can’t refer to anything that’s been said before, or ask the system why it says what it says. Stephan Raaijmakers, Professor by Special Appointment from TNO, hopes to change this.

This paper develops a novel theoretical framework for the conduct of postmortems after major foreign policy surprises for the European Union and its member states.

How can we explain that Caribbean small states have the most stable two-party systems in the world, while Pacific small states have either very weak parties or no parties at all? Matthew Louis Bishop (University of Sheffield, UK), Jack Corbett (University of Southampton, UK) and Wouter Veenendaal (Leiden…

Providers of telephone, internet or data centers can be seen as companies of vital importance because of their national importance. This comes as no surprise. In the Netherlands, additional legislation was deemed necessary to protect national security and a legislative proposal was presented in April…

In this minor programme, students will become familiar with the nature and scope of violence; the ways in which it impacts public order, and the ways in which society can respond to and, ultimately, prevent violence.

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in its research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…

The Leiden University Centre for Linguistics has been badly affected by the corona crisis: the research in the four labs and the fieldwork has come to a standstill. What are the implications?

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Who doesn’t want peace? Yet we don’t always appreciate how fragile it really is. This is why Leiden University was a co-organiser of the Just Peace Festival from 21 to 25 September 2016.

We should assume that animals can have feelings too. From an ethical point of view this should inform our dealings with animals, researchers from Leiden University and Utrecht University argue in an opinion article that was published in the scientific journal Affective Science on Thursday 10 March.

Brendan Carroll promoted On Thursday October 30th Brendan Carroll successfully defended his PhD dissertation entitled:

Promotor: S.M. Verduyn Lunel, Co-promotor: S.C. Hille

Career and apply for jobs

Craft your own empirical research in workshops of the ELS Atelier!

To what extent are the rights to street children violated en how can their rights be protected?

Study information

Having a bachelor, master and Ph.D in chemistry, Elena Sánchez López shifted to a more biological research for her postdoc. All of her studies she did at the University of Alcala, in Spain. Way back in medieval times, this city was the place of birth of Miguel de Cervantes, author of the world famous…

What is leadership? Can it be taught, and if so, how? The International Leiden Leadership Programme (ILLP) helps students find their own style, say ILLP graduate Marko Simovski and his former coach Annah Neve in an interview: 'It’s about you, discovering you.'

Leiden Law School offers different intensive Master's programmes, that provide tremendous opportunities for talented students.

Research and design are two activities that are becoming increasingly important in the Dutch subjects O&O (‘research and design’) and NLT ('nature, life and technology’). The dissertation of Tessa Vossen (ICLON and Faculty of Science) indicates that teachers and students understand the importance of…

Research by bioarchaeologists from Leiden and Canada has shown that 19th-century Dutch farmers regularly had bone defects. These may have been caused by wearing clogs. Publication in the International Journal of Paleopathology.

Leiden heritage expert Sjoerd van der Linde is carrying out research on the heritage of the Caribbean region. This research forms part of the international Nexus 1492 project on the consequences of colonisation for the Americas. ‘We first have to find out what the local population wants.'

Last Friday, the LUCL runners have run the Leiden Singelloop – this time joining forces with the rest of the Humanities team celebrating the 444th birthday of our University. Thanks to all colleagues who participated and supported us. We’ll run again next year, and everyone’s invited to join!

Twenty-two of the 150 newly elected members of the Dutch House of Representatives studied at Leiden University or did their PhD research here. But who are they and which degrees are most popular?

Professor of Health Psychology Andrea Evers is one of the coordinators of the national Health and Wellbeing programme and of the Leiden-Delft-Erasmus (LDE) programme that goes by the same name. The aim is to use technology to promote our health. LDE has already been working on this topic for some ti…

Is the current existing legal framework on compulsory and voluntary care - for vulnerable young adults (between the ages of 18 to 23) - in need of revision? And if so, what kind of amendments would be advisable?

A global biological study has provided the most direct evidence to date that humans, and specifically cities, are the drivers of evolutionary change on Earth. Leiden University, Naturalis and the Municipality of Leiden worked on and helped fund the study.

Mohamed Tleis was born in Lebanon and studied there up to and including university. It was not an easy path because Tleis has to cope with a number of limitations: he has problems with both hearing and vision.