Libertatis Ergo Holding B.V. (LEH) is an independent legal entity that holds associate companies arising from Leiden University’s activities.

This calendar was designed by the Diversity & Inclusion and Student Wellbeing student working group of Leiden Law School.

Who inspired you to see a subject in a whole new light? The Teacher of the Year Award celebrates those who not only share knowledge but also spark curiosity, connect with students, and bring research to life. Meet the finalists for 2025!

Leiden University is realising a new and sustainable building with state of the art research and educational facilities for the Faculty of Science: the Gorlaeus Building. The new sustainable building will stimulate academic cooperation and knowledge sharing.

Use and develop your talents.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with National University of Singapore in Singapore.

This is an Erasmus+ International Credit Mobility project of the Faculty of Science and Leiden University College with four universities in Nigeria.

The major aim is to examine the potential of learning the body to produce a similar physiological (autonomic, neuroendocrine, or immune) and physical (e.g., desensitization of persistent physical symptoms) response to placebo medication than to active medication (pharmacological conditioning). If proven…

For decades, academic publishing has followed a familiar script: Conduct research → write a paper → submit to a journal → (wait) → peer review → (revise) → maybe get accepted → finally, publish. Yet, this traditional model is increasingly under scrutiny, as several structural issues have become difficult…

We study how communication can heal and harm when patients are confronted with an illness. Most of our studies focus on serious illnesses such as advanced cancer. Communication lies at the heart of medicine, yet we do not always know which specific communication helps patients. Moreover, many complaints…

Non-urban settlement organization and Roman expansion in the Roman Republic (4th-1st centuries BC)

On the 28th of September Go Hirasawa successfully defended a doctoral thesis and graduated.

Reconstructing Later Prehistoric Societies in Northern Iraq (ca. 7000-3000 BCE)

The map application includes information from old and new buildings archaeological projects. This makes it possible to investigate whether water facilities (wells, cisterns) and waste facilities (cesspits, sewers) were the privilege of Leiden’s wealthy elite in the late 16th and 17th centuries or whether…

First set up in 2015, the Language Learner Corpus (LLC) project collected language data of over 150 language students. We have now launched new communicative tasks to collect longitudinal data of language learners at Leiden University.

What are the immediate and lasting effects of the colonial encounters on indigenous Caribbean cultures and societies and what were the intercultural dynamics that took place during the colonisation processes? How can the study of indigenous Caribbean histories contribute to a more sophisticated awareness…

Kiem project: How can metaphors be used to enhance societal engagement with quantum science and technology, and what factors influence their acceptance or resistance among experts and laypeople?

This project investigates the causes of the major archaeological change in the period of 40.000-20.000 BC in South Africa.

Between 1993 and 2000 the Faculty of Archaeology had a formal cooperation with the Service Régional de l’Archéologie de la Guadeloupe, Direction Regional des Affaires Culturelles (DRAC) and the then director André Delpuech. During that period surveys and excavations were carried out at a number of s…

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

Knowledge and culture subproject 3:

How can we map and foster Dutch secondary teachers’ agency in inclusive education practices?

Les Cottés is one the rare site in western Europe with occupations in sequence by the very last Neandertals and the first anatomically modern humans.

What can we learn from how maritime conflicts were managed in the past? What significance did Maritime Conflict Management have in shaping the standards of diplomacy and international law in pre-modern Atlantic Europe (1200-1600)?

Migration and crime are in the spotlight in society. Within the Institute for Criminal Law and Criminology, research in this area has strongly developed in recent years. The concept of Crimmigration is central to this.

The aim of ANCIENT CHARM was to develop neutron-imaging techniques and the associated equipment, and help establish neutron imaging as a mainstream archaeological analytical technique. In particular, one of the goals was a new imaging technique which called neutron resonant capture imaging combined…

The aim of this project is to study the influence of Longinus’s treatise ‘On the sublime’ on practice and theory of architecture and theatre in seventeenth-century Paris and Amsterdam.

The Faculty of Archaeology of Leiden University ran an excavation project in Northern Syria, at Tell Hammam al Turkman, some 80 km north of Raqqa. The Faculty of Archaeology and the Netherlands Organisation for Scientific Research N.W.O. finance the undertaking, which is directed by dr Diederik J.W.…

Extensive research is being conducted at the Institute of Criminal Law and Criminology on developments in sentencing and punitive measures and how judges and other actors in the criminal justice system reach decisions. Another focus area is how punishments and measures are implemented and the effect…

How do lecturer-researchers at Dutch Universities of Applied Sciences perceive their academic identity after expanding their teaching-only work portfolios to include researcher roles, and how do they navigate attached identity-based role transitions, while balancing personal goals, institutional expectations,…

Knowledge and culture subproject 2:

This project applies a social-historical approach to examine and contrast various groups of African-American slave refugees who sought freedom within North America between 1800 and 1860. It innovatively distinguishes between different “spaces of freedom” for runaway slaves, namely sites of formal, semi-formal,…

African oral literatures, new media and technologies: challenges for research and documentation

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…

The surface and the edges of graphene are expected to provide higher sensitivity and specificity in detecting and characterizing single molecules. However fundamental physical limits exist in reaching an ultimate precision in detecting the dynamics of chemical and biological systems. The research in…

The project Advancing The European Multilingual Experience (AThEME) studied multilingualism in Europe by incorporating and combining linguistic, cognitive and sociological perspectives.

Foute taal? Bestaat niet!

A research into homicide.

Provenance and distribution of raw materials

This programme adopts a new approach based on the paradoxical nature of these responses in early modern Italy: it draws on rhetorical discussions of lifelikeness and living presence, and it uses the anthropological theory of art as agency developed by Alfred Gell.

This network brings together scholars whose work explores how contemporary frameworks of crisis produce experiences of the present, rehash or disrupt established narratives of the past, and broker specific outlooks on the future. We collaborate in studying these crisis-scapes and exploring how they…

Do you deeply care about our planet and are you eager to make a real change? Then our two-year MSc programme Industrial Ecology may be the place for you. The interdisciplinary programme, offered jointly by Leiden University and TU Delft, is a true powerhouse for sustainability solutions. As a student…

In the 19th century, Old English poems were claimed as cultural heritage by various non-Anglophone nations, including Scandinavians, Germans and Dutch. These competing nationalistic, cultural appropriations happened against the backdrop of a growing interest in early medieval English language and literature…

Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

This pioneering project will answer this question by examining migrants through the eyes of the courts between 1600 and 1900. It aims to reveal patterns of continuity and change in: 1. Treatment of migrants by criminal courts; 2. Violence and conflicts between migrants and native born.

This research project from Leiden University looks at the opportunities and threats that flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…