On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

Before patients can take a pill, scientists often spend years in the lab developing and testing a candidate drug. That often includes experiments with laboratory animals. As head of the rodent facility, Ilze Bot and her colleagues ensure that these experiments are conducted in an ethically responsible…

The jury of the Africa Thesis Award is delighted to announce that the 2024 prize has been awarded to Baleseng Maeneche, a graduate of the Faculty of Arts & Humanities at the University of the Western Cape, for her thesis 'Media Representations of Male Perpetrators of Violence against Women and Children:…

As I cycle to work in the morning, along Rapenburg to the Huizinga Building, I sometimes stop and dismount. The early morning silence and the rising sun that casts a spotlight on the Academy Building can be enchanting. On those days, I use the moment to take a photograph. I already have quite a collection.…

Hidde studies Public Administration and did an internship at the Kennemerland safety region. During his internship, he conducted research effective collaboration on the Environment and Planning Act at the safety region.

Electrical inner ear prostheses like Cochlear Implants (CIs) help deaf and severely hearing-impaired persons to regain many of their communication abilities. The performance of CI in social environments is, however, not optimal. The new "Machine learning To Enhance teMPoral cOding foR cochleAr impLants“…

Lecture, INVISIHIST event

The new cabinet has finally taken office. Six of its members studied in Leiden, once again making the University a key supplier to the cabinet. Who are these alumni?

eLaw - Center for Law and Digital Technologies at Leiden University, has hosted the second Horizon Europe BIAS Project co-creational workshop geared towards discussing fairness in the hiring process and identifing desirable requirements and functionalities of the Debiaser.

Education

In the new video series 'The World of Linguistics', alumni and researchers talk about their passion for their field. Professor of African Linguistics Maarten Mous explains the importance of hearing your language at school.

If you'll soon be getting a COVID-19 vaccine, you might just get the Johnson & Johnson (Janssen) one. This vaccine was developed for the most part in Leiden – and this is no coincidence. Watch the animation below about the development of one of the vaccines in the fight against COVID-19.

In March, the Faculty Strategic Plan (FSP) Steering Committee invited several forums, groups, students and members of staff to give their feedback on the draft of the Strategic Agenda. This feedback has been collected in several different ways, during meetings, via online feedback forms, or in direct…

The results of the National Student Survey (NSE) are now available. In 2024, students from the Faculty of Humanities were satisfied across the board. The expertise of lecturers was rated particularly positively.

This month, the first part of the quality assurance audit (ITK) took place. A team of auditors from the Nederlands-Vlaamse Accreditatie Organisatie (NVAO) visited us to review how we ensure quality in education and how this aligns with our overall vision.

Lecture

Lecture

Festival

Conference

450 years

450 years

Arts and culture

In November 2023, the Institute of Security and Global Affairs (ISGA) underwent its first full external research evaluation for the period from 2016 to 2021 with outstanding results. In its final assessment report, the independent external evaluation committee underlines that ‘the committee is impressed…

From Wednesday 13 July 2022, for four days, Leiden is at the epicentre of European science, as it hosts Europe's largest interdisciplinary conference, the EuroScience Open Forum (ESOF). We interviewed Marja Spierenburg, Professor in the Anthropology of Sustainability and Livelihood. In addition to being…

The University Council is the central participation body at the University. It is looking for a new chair as of 1 September. Until then Charlotte de Roon is at the helm. She talks about her experiences as chair of the University Council.

With the long lockdown, it’s been a hard year for Leiden businesses. How can the local economy bounce back and how can the University help? Two talk shows discussing this were recently recorded in the Academy Building. They will be aired on Unity TV on 28 September and 12 October.

Rick Lawson, Professor of European Law and former Dean of Leiden Law School, was appointed as the new president of the Netherlands Institute for Human Rights on 30 June.

Prof. Dr. Jasper Knoester has been reappointed by the Executive Board of Leiden University as Dean of the Faculty of Science. His second term will run until 1 January 2030. Knoester’s reappointment has broad support within the faculty. His approachable leadership style and people-focused approach have…

As every academic year, the leadership team of the Young Academy Leiden (YAL) is changing. Sarah Giest, Assistant Professor at the Institute of Public Administration, will be the new Vice-Chair. Annemarie Samuels, Asssociate Professor at Social Sciences, will be the new Chair. The Young Academy Leiden…

Research, Social

As of 1 July, Marcellus Ubbink is the new Scientific Director of the Leiden Institute for Chemistry. He will succeed Hermen Overkleeft, who led the institute since 2017. Ubbink has been appointed for a period of four years.

Music venue Paradiso, the Keizersgracht Church and the Artis Zoo’s aquarium: these buildings all owe their design to architects Gerlof Bartholomeus Salm and Abraham Salm. Remco van der Kuijp researched the place of father and son in architectural history. PhD defence on 25 March.

The rise of populist parties, the expansion of the role of the state and now the fragmentation of the Senate and the House of Representatives: Dutch political reality has changed rapidly over recent decades. These developments are in stark contrast to Dutch constitutional law that has remained almost…

Laurens Hessels was appointed Professor by Special Appointment, lecturing in the Social Value of Science at Leiden University, effective 1 September 2021. His research will focus how best science and industry can work together. Alongside his new position he will continue his work at the Rathenau Institute…

Leiden researchers Fenneke Sysling and Joris van der Voet will be admitted to the Royal Netherlands Academy of Arts and Sciences’ The Young Academy.

The battle at the Tollense valley took place in 1300 BC, the Bronze age. The archaeological site now is being threatened by climate chance. In an international collaboration, archaeologist Martijn Manders and his students are involved in the ongoing fieldwork.

On Tuesday 30 September 2025, PhD candidate Kathleen Brown will defend her dissertation 'Deception, Risk, and Evasion: The Politics of Sovereign Debt in Emerging Markets' in Leiden’s Academy Building. Her research sheds light on the hidden world of sovereign debt politics, revealing how governments…

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

Rector Magnificus Carel Stolker will retire on 8 February. If there’s one theme running through his career, it’s the links between the University and society. In this series of pre-retirement discussions, Stolker will talk one last time to people from within and without the University. This edition…

The story of Tutankhamun, the Egyptian pharaoh, is world famous. But did you know that the Ancient Egyptians mummified not only people but animals too? The National Museum of Antiquities in Leiden recently put a bunch of animal mummies through a CT scanner. This was in collaboration with Canon Netherlands…

“Very French and very impressive.” Those are the words drs. Isabelle van de Calseyde used to describe the reception at the French embassy residence in The Hague on 2 June 2015. There, she and dr. Sjef Houppermans were presented with an distinction for their remarkable services to the French language…

When internist Christian Blank made his very first discovery, his field of immunotherapy was the underdog of cancer research. Now, over 20 years later, Blank has been appointed Professor By Special Appointment of Internal Medicine for his clinical research into immunotherapy and will give his inaugural…

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.