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Get to know us through our online and in-person events for prospective students!

Get to know us through our online and in-person events for prospective students!

PhD Research Projects:

This edited volume by Jeff Fynn-Paul pushes forward the debate on the role of entrepreneurs in making war and building states in Europe and the Ottoman Empire.

How many men and women die per year at the hands of others? What are the motives behind these killings? Are there as many homicides today as years ago? How can we explain the rise and fall of homicides over time? And: What is the influence of (early) childhood and adolescence on the likelihood to commit…

Subproject of

In this article, Thomas Maguire, Assistant Professor at the Institute of Security and Global Affairs, examines why states use intelligence to influence external audiences.

Commentators and scholars view both social media and cities as sites of fragmentation. Since both urban dwellers and social media users tend to form assortative social ties, so the reasoning goes, identity-based divisions are fortified and polarization is exacerbated in digital and urban spaces.

In 2025, Leiden University College became the first university programme in the Netherlands to receive the special “Sustainable Higher Education” label from the NVAO, the Dutch-Flemish Accreditation Organisation.

Through our research, we aim to enhance both scholarly understanding and practical knowledge in sustainability governance, while making meaningful contributions to the public debates on these critical issues. To achieve this goal, we embrace diversity in our research topics, methodological approaches,…

Because of their large surface area and immunological competence, mucosal tissues are attractive administration and target sites for vaccination.

Acute cardiovascular clinical events such as myocardial infarction and cerebral stroke represent the major cause of death in Western societies. These pathologies are primarily resulting from atherosclerosis, a progressive condition characterized by the accumulation of lipids, immune cells, and fibrous…

As an alumnus of Leiden University, you receive a 33% discount on membership of the University Sports Centre (USC). The sports centre has facilities in both Leiden and The Hague and offers a wide range of sports including tennis, fitness, yoga and kickboxing.

On 29 June 2017, Carl Mair defended his PhD dissertation “Taking Technological Infrastructure Seriously”. The supervisors are Professor A. Schmidt and Professor G.J. Zwenne.

On the 26th of September, Cosmas Rai Amenorvi successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Cosmas on this achievement!

This handbook provides a resource for those already familiar with some kinds of micro-particles who wish to learn more about others, or for those just starting out in the study of microremains who wish to have a broad understanding about microscopic archaeology.

Usage Guides and Usage Problems in British and American English, 1st Edition

The group Clinical Neurodevelopmental Sciences has expertise in individual differences in child development, in particular the development of psychopathology, ranging from mild to severe neurodevelopmental disorders.

To goal of this project is to get a deeper, more comprehensive and up to date understanding of the state of University-Business Cooperations (UBC) in Europe, from the perspective of both the Higher Education Institutions and the business sector.

This article illustrates how the term 'dual use' has become associated with a broader dichotomy between ‘legitimate’ and ‘illegitimate’ purposes.

With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…

PhD candidates carry out a programme of independent research, leading to a PhD thesis in typically 4 years.

This thesis describes biochemical investigations of glucocerebrosidase (GBA), the lysosomal β- glucosidase that is deficient in Gaucher disease (GD).

In this work, I explore the creation of new methods that optimize simulations of the gravitational N-body problem. Specifically, I take advantage of the recent popularity of Machine Learning methods to find tools that can suit this problem.

Humanity stands at a pivotal juncture, facing the dual challenge of environmental sustainability and rapid population growth, projected to exceed 11 billion by century’s end.

This catalogue is the result of the EU_CUL project (2018-2021), which explores the use of cultural heritage in Europe for fostering academic teaching and social responsibility in higher education.

This historical study argues that the Mandaean religion originated under Sasanid rule in the fifth century, not earlier as has been widely accepted. It analyzes primary sources in Syriac, Mandaic, and Arabic to clarify the early history of Mandaeism.

PhD candidates carry out a programme of independent research and additional limited) course work, culminating in production of a PhD thesis in typically 4 years.

The first index to measure product safety, sustainability, and circularity, operationalising the EU’s (SSbD) framework.

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

Loneliness and social isolation have become a significant problem in contemporary Japan. The financial burden associated with an ageing population has severely constrained the ability of local authorities to address the problem. As a result, policymakers have sought cost‐effective methods of tackling…

This volume, featuring sixteen contributions from leading Roman historians and archaeologists, sheds new light on approaches to the economic history of urban craftsmen and traders in the Roman world, with a particular emphasis on the imperial period.

This book looks to existential thinkers for reasons to hope immortal life could be worth living. It injects new arguments and insights into the debate about the desirability of immortality, and tackles related issues such as boredom, personal identity, technological progress, and the meaning of life…

The main aim of this thesis was to unravel the signaling and regulatory networks that drive tumor cell migration during breast cancer metastasis.

The Pharmacy research group focusses on the development of predictive models to improve clinical drug efficacy and safety. We are moreover strongly involved in the Master specialisation of Pharmacy at Leiden University. We work on clinical problems that require further mechanistic understanding and…

The Leiden Risk & Regulation Lab serves as hub for excellent research at the forefront of regulation and risk governance and acts a platform for engagement with the practice of, and education in, regulation and risk governance.

This book explores how physicists, astronomers, chemists, and historians in the late nineteenth and early twentieth centuries employed ‘epistemic virtues’ such as accuracy, objectivity, and intellectual courage. In doing so, it takes the first step in providing an integrated history of the sciences…

For centuries astronomers studied the Universe by collecting light. Nowadays, we are living in times of great technological advancements, which allow us to explore our Universe in a new way - though gravitational wave radiation.

In Luganda, the widest spoken minority language in East African country Uganda, the word for photographs is Ebifananyi. However, ebifananyi does not, contrary to the etymology of the word photographs, relate to light writings. Ebifananyi instead means things that look like something else. Ebifananyi…

Promotores: Prof.dr.G.R. de Snoo and Dr. R. Heijungs

In this research we have studied how teaching graphing formulas by hand (i.e. sketching a graph of a formula) could promote grade 11- and 12-students’ symbol sense.

The role of grave sets in Corded Ware and Bell Beaker funerary practices

Atherosclerosis is the most prominent underlying pathology of cardiovascular disease and an important cause of major adverse cardiovascular events.

This 25th volume in the series 'Islam in Africa', edited by Annachiara Raia, is a pioneering collection of poetry by the outstanding Kenyan poet, intellectual and imam Ustadh Mahmmoud Mau (born 1952) from Lamu island, once an Indian Ocean hub, now on the edge of the nation state.

New Approaches to the Study of Textual Material from the Early Pharaonic to the Late Antique Period

On November 21st, Frederick Boswell succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Frederick on this great result.

Edited by linguists Jenny Audring (Leiden University) and Francesca Masini (University of Bologna), this is a unique handbook with a focus on morphology theories rather than morphological data. It covers a wide array of morphological theories, from traditional twentieth century models to current theoretical…