Koenraad Schalm studies string theory and its connections to models of particle physics and cosmology in particular.

Ernst Dijxhoorn is an assistant professor in the Institute of Security and Global Affairs (ISGA). He worked on the project ‘SNT Really Makes Reality: Technological Innovation, Non-Obvious Warfare and the Challenges to International Law’, funded by Economic and Social Research Council UK (ESRC) and the…

Jennifer Dowling is a PhD candidate within the research group Terrorism and Political Violence. Jennifer’s PhD research project focuses on understanding why individuals do not cross the threshold to become involved in various forms of political violence. By adopting a qualitative approach, her project…

Edmund Frettingham is Assistant Professor in International Relations at Leiden University College. His primary research interests lie in security studies and religion in international politics, with particular focus on theories of security, approaches to the study of religion in international politics,…

Adam Lichtenheld is an Assistant Professor of Peace Studies, Conflict Resolution, and International Relations at the Institute of Security and Global Affairs. He is an expert on forced displacement, armed conflict, political violence, peacebuilding, and post-conflict development, with a focus on Africa…

Carlo Beenakker knows all about the quantum world. He looks at the behaviour of quantum particles and considers how this knowledge can be used to develop new technologies. He is currently considering how to build a quantum computer in a laboratory.

Juan Masullo is an Assistant Professor at the Institute of Political Science at Leiden University.

The English taught interdisciplinary minor Violence Studies looks into various facets of interpersonal violence. Is this minor for all Leiden students? These two 'colleagues' are certain of it.

Dr. Sarah Carthy is an assistant professor in terrorism an political violence at the Institute of Security and Global Affairs. She is a graduate of the University of Galway where she completed her BA and PhD in Psychology. Her research mainly focuses on radicalisation, evidence-based approaches to prevention…

Jeanine de Roy van Zuijdewijn is an Assistant Professor at the Institute of Security and Global Affairs of Leiden University. She has a background in Liberal Arts & Sciences (BA) and History of International Relations (MA – cum laude) and completed a PhD on responses to terrorism in 2021.

Swarms of drones, pedestrians or the cells in your body. Those are all examples of active matter: materials whose building blocks can move autonomously. That’s what Luca Giomi studies. Giomi has been appointed Professor of theoretical physics in the area of soft matter and biological physics at the…

The interdisciplinary, English-taught minor ‘Violence Studies’ looks at violence from very diverse scientific perspectives. What are the benefits from this approach? Students and lecturers evaluate: ‘This minor’s a goldmine’.

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.

Dennis Bos is University Lecturer at the Institute for History.

The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

Koenraad Schalm will be the new programme director of the Physics master starting 1 November. He has been appointed for a period of four years. Schalm succeeds Ana Achúcarro who has held the position since 2021.

‘The Oscars of the natural sciences’, is what they are called: the Breakthrough Prizes awarded annually in America by the Breakthrough Foundation. Part of this are the New Horizons prizes for early-stage researchers. Sebastiaan Haffert, researcher at the Observatory, is this year's winner.

It is one of the most talked-about subjects right now: how do we eradicate sexual harassment and violence? Alumnus Femke Eisma is the spokesperson for Mariëtte Hamer, the government commissioner tasked with tackling this persistent social problem. Eisma studied the Dutch language at Leiden. How is her…

Kristell Penfornis is a PhD student at the Health, Medical and Neuropsychology unit of the Institute of Psychology. She researches the role of identity processes in smoking cessation and physical activity promotion.

Joost Augusteijn is Senior University Lecturer at the Institute for History and Programme Chair of the BA International Studies and the Joint MA European Politics and Society.