The Battle of Heiligerlee, on 23 May 450 years ago, is famous as an epic battle in Dutch history. But was it really so momentous? Professor of Early Modern History Judith Pollmann unravels the myths about ‘Heiligerlee’ and the Eighty Years' War.

Sixteen researchers at Leiden University have received a Veni award from the Netherlands Organisation for Academic Research (NWO). This award offers promising young researchers the opportunity to further develop their ideas for a period of three years.

The Leiden Papyrological Institute celebrated its eightieth birthday on Monday 19 January. Its collection of papyri – including paper, potsherds, pieces of wood and even lead – covers the period from 300 B.C. until after 800 A.D. and is entirely of Egyptian origin. The institute’s anniversary is being…

Akke de Hoog (26) helps asylum seekers whose application has been rejected to plan their future and voluntary return to their country of origin. Her master’s programme taught her about migration and how international politics, the climate and the economy impact different migration flows, as well as…

On Sunday night 25 September, all the lights in Leiden will switch off and we will see the starry sky above us twinkling in all its glory. A unique opportunity for all residents of Leiden to experience the vastness of the cosmos and view the impressive artwork that hangs over our heads every night.…

‘I could hardly believe my ears when I heard that we had been awarded the Gravitation grant,’ says Berna Güroğlu, professor of the Neuroscience of Social Relations. This grant is awarded by the state, via NWO, to pioneering scientific top research. In terms of grants, this really is something special,…

Are disturbances to the brain, such as Alzheimer's or autism, linked to specific defects in the underlying communication networks in the brain? If this is the case, subtle changes in the networks can act as a marker for brain disturbances. Neuroscientist Serge Rombouts will be investigating this, together…

Historians recently started preliminary research on Leiden University’s role in colonialism and historical slavery. Our knowledge about this is too limited and fragmented. They are looking with fresh eyes at Leiden’s archives and collections. An interview with historians Alicia Schrikker and Ligia G…

Masterclasses, network meetings and coaching cafés: the Alumni Office was offering a whole range of activities every month for the University’s alumni. Until coronavirus broke out, that is. The Leiden Alumni Webinars mean that alumni can still meet and share their knowledge with interesting speakers.…

Fourteen promising researchers from Leiden University have been given the opportunity to realise their research plans for the coming years thanks to a Veni grant from the NWO. This year, these subsidies have been granted to studies of the influence of noise on the great tit, the conditions necessary…

What does Rector Magnificus Carel Stolker think about subjects such as student stress, ‘clean’ transcripts and the onward march of the English language? Law students fired their questions at Stolker during the Leiden version of College Tour on 27 January.

How did the Arabs manage to maintain an empire based on Islamic principles for three hundred years? Arab expert Petra Sijpesteijn and her team will be examining this question over the coming five years, focusing on the correspondence of ordinary people. The research is being funded by an ERC Consolidator…

Professor Ewine van Dishoeck, together with an international team of colleagues, has written an overview of everything we know about water in interstellar clouds thanks to the Herschel space observatory. The article, published in the journal Astronomy & Astrophysics, summarizes existing knowledge and…

Pioneering in the archaeology of Somaliland, hosting international TV and radio shows, and producing a very successful MOOC: Dr Sada Mire already has a formidable track record.

The Dick Stufkens Prize 2019 for the best PhD thesis of the Holland Research School of Molecular Chemistry (HRSMC) will be awarded to Thom Hersbach. In his thesis, Hersbach presents a thorough analysis of cathodic corrosion. His comprehensive research, on which he graduated with the distinction cum…

‘Our faculty is a very international community. And that is something everybody really benefit from,’ says Yun Tian. As the officer internationalisation, she is the bridge between international students and staff, the faculty and universities abroad. ‘Science goes beyond countries and carries no nationality.…

China is prohibited from using export duties to address any environmental problems. This is unfortunate, according to PhD candidate Fengan Jiang (Richard), as export duties could be useful in tackling global carbon leakage. PhD defence on 19 February 2020.

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

Graduates Bruno and Plym took part in the National Think Tank last year. Together with 20 other students and recent graduates, they spent four months pondering the future of our digital society. ‘You learn so much in the space of four months, not just practical skills but also about yourself.’

Professor by special appointment Jojanneke van der Toorn organised a symposium in cooperation with Workplace Pride, hosted by the university in the academy building on 18 May. Jojanneke van der Toorn occupies the chair of LGBT workplace inclusion, a special appointment that Van der Toorn and Leiden…

How long should and may a doctor remain silent if he suspects child abuse? A GP who often sees the whole family, or a paediatrician, fills a crucial role when it comes to picking up signals of child abuse. Mirjam Sombroek-van Doorm examined how tenable professional confidentiality of medical practitioners…

The Sackler Distinguished Lecture Series on Human Rights was established at Leiden University through an endowment given by Dr. Raymond R. Sackler and his wife, Beverly, international philanthropists with a commitment to supporting scientific research. The lectures mark the annual celebration of International…

A devastating tsunami engulfed large coastal areas in Asia and East Africa in 2004. With over 170,000 dead, the Indonesian province of Aceh was hardest hit. The survivors proved to be remarkably resilient as they returned to everyday life. Anthropologist Annemarie Samuels went to live in Aceh, and has…

The Senior Teaching Qualification is for experienced lecturers who have done more than lecturing alone. Ten quotes from the first ten lecturers to receive the STQ award.

When politicians claim they can make major differences with their migration policies, they’re raising false expectations. The opportunities for the government to restrict migration are in fact very limited. And what about the little room they do have? Mark Klaassen’s advice is to make use of those opportunities…

NWO has awarded a Vidi subsidy to a total of 89 young and innovative researchers. Leiden researchers have won twelve of these subsidies and three subsidies have gone to the LUMC. Each researcher will receive up to 800,000 euro to develop a particular research theme or to set up a research group.

A delegation from Leiden University visited various universities in Japan at the end of March. The strong ties between the Netherlands and Japan are still based on a long tradition of knowledge exchange.

ESA’s space telescope Gaia, which maps the Milky Way, completes its active phase of scanning the sky on 15 January. Over the past decade, Gaia has made more than three trillion observations of about two billion stars and other cosmic objects. ‘Gaia is already the discovery machine of the decade,’ Leiden…

Students, staff and alumni of the Faculty of Social and Behavioural Sciences joint forces to interact, debate, pitch, and speed date together at the Connecting Social Sciences science festival on Friday 22 November, 2019. After the opening speeches and panel discussion on science and societal impact,…

Yeast, alpacas, and antibodies. They may seem unrelated, but within the project of the Leiden iGEM students, they come together perfectly. For the international synthetic biology competition iGEM, the team is working on an innovative method to produce nanobodies—a special form of antibodies—using brewer’s…

Permission was recently given for all members of the examining committee and co-supervisors at PhD ceremonies to wear academic dress, even if they’re not full professors. How historic is this change?

On 31 January 2024, Alex Schilin defended his dissertation ‘United in Distinctiveness: The Institutionalisation of Differentiated Integration in Economic and Monetary Union during the Sovereign Debt Crisis.’ What motivated him to research this specific topic, and how did he tackle this project? And…

Access to education for people from the lower socio-economic class has improved immensely in Europe from the 1950s onwards. Yet the Roma and Sinti were unable to reap benefits from this. PhD candidate Anita van der Hulst researched why so few Roma and Sinti went on to higher education. PhD defence on…

On Thursday 25 and Friday 26 October 2018, the Europa Institute organized a conference within the framework of ‘Interaction between Legal Systems (ILS): Policing the High Seas’ and in cooperation with four Interest Groups of the European Society of International Law. The event brought together representatives…

It poured down when Alexander Gallo received his diploma from West Point Military Academy. A bad sign, people said back then. It was June 2001, three months before 9/11. The now 46-year-old American fought in Iraq, did research in Afghanistan and stands in Leiden today, defending his dissertation on…

What is the influence of non-hereditary factors on our health, such as lifestyle, diet and exposure to harmful substances? The Exposome-Scan project, led by Leiden professor Thomas Hankemeier, has been awarded 3.2 million euros from the NWO Investment Grant Large programme to answer this question. With…

Alumnus Peter Burger – along with his colleague Alexander Pleijter – is the face of fact-checking in the Netherlands. ‘My degree led straight to this.’

In The Best of Times, The Worst of Times, environmental scientist Paul Behrens describes both hopeful and pessimistic scenarios for our future and that of our planet. With the book soon to be published, Behrens talks about its content and the writing process itself.

The Master programme MSc Crisis and Security Management is completely changed. Combined with three main courses for all CSM-students, this new programme offers exactly the combination of in-depth specialized knowledge and general knowledge about security challenges in a globalizing world society and…

At the Annie Romein-Verschoor Lecture on 8 March, former Minister of Education Jet Bussemaker expressed her surprise at the commotion again raised by the theme of the economic independence of women, within and outside politics.

Eleven Leiden researchers have been awarded an 800,000 euro Vidi grant by the Dutch Research Council (NWO). This will enable them to develop their own innovative line of research and start their own research group.

The Leiden University College (LUC) education team behind The Learning Mindset (TLM) has received 800,000 euro’s during the Dutch Higher Education Award Ceremony 2022. The LUC team was second behind Universteit Twente. The prize was awarded during the annual Comenius Festival of the Comenius Network.…

Tahir Abbas, Professor of Radicalisation Studies at the Institute of Security and Global Affairs, is organising a book launch for his new book: 'Ruminations: Framing a sense of self and coming to terms with the other'. The book launch will take place on Thursday 15 December from 16.00-17.00 hrs. at…

Dr Mike Field is the newly appointed Head of the Bioarchaeology Laboratories (Zoology, Human Osteology, and Botany). The new laboratories provide members of the Faculty with a first class infrastructure. “I see the laboratories as available for everyone to use.”

In spring 2020, the country was facing a potential lack of hospital ventilators for the huge numbers of Covid-19 patients. In response, Clinical Technology students designed an emergency device in the space of just three weeks. ’These students become 80% doctor and 80% engineer.’

A stable home situation is important for the successful return to society of prisoners. So what is their home situation like? And what effect does it have on reoffending? PhD defence on 16 January 2020.

When former Swedish Foreign Minister Margot Wallström announced in 2014 that Sweden would become the first state to implement a feminist approach to its foreign policy, her idea was met with giggles. [1] But the concept quickly spread around the world. In May 2022, the Netherlands became the 10th state…

Our researchers are doing what they can to continue working on their research. How are they managing? We talk to Kimia Heidary, who began as a PhD candidate in business studies on 16 March.

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

Many students, staff and alumni of Leiden University are politically active. In the run-up to the local elections on 21 March, candidates in The Hague and Leiden explain why you should vote for them, and what they want to do if they are elected. In this article, it is the turn of the candidates in The…