Six professors and one lecturer from Leiden University have officially been appointed Medical Delta professors or lecturers.

2023 was another year full of highlights and special moments for the faculty of Governance and Global Affairs. Find out what the year was like in this year overview: we take you through the most important moments and news items month of each month.

Professor Paul Keβler, prefect of the Leiden Hortus botanicus, holds the special chair Botanical gardens and botany of South-East Asia since 1 February 2017.

‘Archeologists don’t dig up explanations, let alone certainties,’ says Joanita Vroom, Professor of Archaeology of Medieval and Early Modern Eurasia. ‘Their job is to bridge the gap between the sherds that they find and people’s everyday lives. What do ceramics from the past say about people’s eating…

‘Free-market economics has reduced the value of higher education to a question of efficiency and productivity,’ says Sarah de Rijcke. And, she adds, there is no clear description of what we actually want scientific research to achieve. Inaugural speech on Friday 17 May.

Arbitration law has grown into a ‘sexy’ area of practice about which students are keen to write a thesis and in which many lawyers specialise.

The organ in the Academy Building is 25 years old. University organist Jan Verschuren and tuner Bert Crama talk about the long history of university organs, improvising with short cortèges and their love for this organ.

Op 25 maart organiseert het Utrecht Centre for Medieval Studies een online lezing door Angus Stewart, getiteld “The Mongol Invasions of Syria and the Armenians: Changing Perspectives”.

It is exactly one year ago that the university had to close, bang in the middle of the academic year. Suddenly, on that third Monday in March, we found ourselves at home, working and studying online – many of us from that cramped attic or student room. The momentous coronavirus year in pictures.

Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

Every year on or around International Women’s Day on 8 March, Leiden University holds its Annie Romein-Verschoor Lecture. This year’s lecture will be given by Sylvana Simons, MP and leader and parliamentary chair of the BIJ1 party. What does International Women’s Day mean to her and which challenges…

There are times when an administrator has too weighty a role in settling bankruptcies. This is the message of Professor Reinout Vriesendorp's inaugural lecture on 24 June.

In dermatology, there should be a high level of multidisciplinary collaboration among institutes and specialists, Professor of Translational Dermatology, Robert Rissmann, will say in his inaugural lecture on 8 July. He is building an infrastructure that will put pre-clinical and clinical skin research…

Archaeology is also digging with computers. This digital quest to find out how we humans lived in the past is what Karsten Lambers likes doing most. He is the first Professor of Digital and Computational Archaeology in the country. ‘A dream come true.’

The enlargement of the EU to include ten East and Central European countries went smoothly. But further expansion is meeting resistance and Poland and Hungary are now abandoning a number of democratic principles. What are the reasons? Antoaneta Dimitrova, Professor of Comparative Governance, explains…

The field of leadership suffers from ‘adjectivism’, says Professor Ben Kuipers. He immediately caveats this by saying that he too is going furnish the word leadership with an adjective: ‘Public’. But the goal here is to view leadership in a different light in his new role as Professor of Public Lead…

Studying ancient materials and the way they were made can give us groundbreaking insights into the past. Not only that, the interplay between people and materials is highly relevant for society today, says Ann Brysbaert, Professor of Ancient Technologies, Crafts and Materials, at the Faculty of Archaeology.…

Mirjam van Reisen favours big data built up from local inputs in developing countries and suitable for local use. The new Professor of Computing for Society at Leiden's Faculty of Science connects data science with development sociology. Inaugural lecture 10 March.

According to Russian propaganda Ukrainians are Nazis and people from the West are Satanists. Egbert Fortuin thinks we should take this propaganda seriously.

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

Chemical substances and nanomaterials are processed on a massive scale in diverse products, while their risks have not been properly assessed. Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. This is the warning given by Professor of Ecotoxicology…

About 90 per cent of Austronesian and Papuan languages are under threat of soon becoming extinct. Marian Klamer is the only professor in the world who researches both these language groups. She records languages before they disappear and sheds new light on the history of Indonesia. Inaugural lecture…

As a result of globalisation, migration and technological advances, politicians have to make complex choices about social security and labour market policy. Professor by special appointment Olaf van Vliet will speak about this topic in his inaugural lecture on 7 June.

The challenge is considerable, but so is the satisfaction when it succeeds: creating complex sugar molecules that play a role in biology.

Whereas the Netherlands Court of Audit used to conduct an investigation once a year, the average civil service organisation now has a few per year to contend with. Is so much going wrong nowadays? Not at all, says Professor by Special Appointment Sjoerd Keulen. ‘It’s one of the methods that makes democracy…

Everyone benefits when cooperation runs smoothly However, people often act obstructively. Why do they do that? Professor of Social Psychology Carsten de Dreu researches this issue using a wide variety of methods, from brain scans to the role of religion. Inaugural lecture 7 October.

Exceptional collaboration between physicians is needed to better understand and treat autoimmune diseases that cause inflammation in various organ systems.

There’s a lot that goes wrong in the treatment of patients with PTSD caused by childhood trauma. Endowed professor Maartje Schoorl wants to resolve this by bringing scientific research closer to the practice. Inaugural lecture on Friday 29 April.

Bernhard Brandl, the new Leiden Professor of Infrared Astronomy, is developing instruments for the world’s largest telescopes. These telescopes can be used to observe objects in space that are more than 13 billion years old. Brandl will deliver his inaugural lecture on 26 September.

Veel mensen denken dat zware metalen giftig zijn en mens en natuur altijd schade aanbrengen. Dat beeld moet genuanceerd worden, vindt hoogleraar Sylvestre Bonnet.

How can we improve the everyday sounds of the city? In his inaugural lecture on 28 November Marcel Cobussen, Professor of Auditory Culture, advocates using the expertise of sound artists to raise the quality of acoustic environments in cities.

Organs and tissues grown in the lab may in the future be able to cure people with organ failures. Micha Drukker, professor of Stem Cells, Developmental Biology and Technology for Innovative Drug Research, is convinced that the use of stem cells will make this possible. He will deliver his inaugural…

How do you increase the EU’s EQ so that citizens and countries feel a greater sense of belonging and safety in the EU, and the countries work better together? To answer this question, Professor of European Law Armin Cuyvers works, among others, with social psychologists. Inaugural lecture on 9 Decem…

Good research means looking beyond disciplinary boundaries, said Professor of Molecular and Cellular Biochemistry Remus Dame in his inaugural lecture on 10 May. Processes that take place on DNA shouldn’t only be researched in a test tube but also in living cells, for instance.

Endangered languages can survive if they are taught properly to new speakers, such as people with a migrant background. This is what Professor by Special Appointment Felix Ameka will say in his inaugural lecture on 30 September. Dutch people can do their bit by being less ‘polite’ to people whose mother…

A female body equals a woman. Nonsense, says Professor by Special Appointment to the Socrates Chair Annemie Halsema. She argues that our sense of identity and social environment also determine our identity. ‘We should stop assigning people’s sex at birth.’

Should criminal law have a greater role in protecting this democracy? In his inaugural lecture, Professor Jeroen ten Voorde urges caution.

Comparing individual health data with group data allows doctors to give personalised advice and patients to learn from one another's experiences. Wessel Kraaij, Professor of Applied Data Analytics, shows how personal data can have a valuable predictive function. Inaugural lecture 24 February.

If an echo (or ultrasound) shows that a foetus has a heart or other defect, parents face difficult decisions. Then an idea of their child’s shorter and longer-term future is literally a matter of life and death. Haak will argue in her inaugural lecture that the cohort studies of rare diseases that are…

Older people are often approached from the perspective of their limitations when there is often much they still can and want to do. According to Professor Tineke Abma, art is a good way to continue to participate.

Discovering effective new drugs is a long, expensive and uncertain process. Laura Heitman wants to improve this by finding out more about how drugs bind to proteins that play a role in disease. She calls it ‘drug discovery 3.0’. Inaugural lecture on 9 December.

Search engines are getting better at answering our questions. And chatbots are increasingly likely to search the internet for relevant sources. ‘Search engines and chatbots will become more closely entwined’, says Professor Suzan Verberne.

The EU is aiming to deter economic coercion with a new legal instrument. Freya Baetens will elucidate this in her inaugural lecture on October 27th.

Nearly all documents from the 16th and 17th centuries were written by more than one person but attributed to only one author. Professor Nadine Akkerman wants to rectify this oversight in her research on scribes.

Does medicine make patients feel better or worse? We are getting better at predicting this from people’s DNA profiles, says Professor Jesse Swen. ‘It never fails to fascinate me how one DNA base pair can have such a huge effect on treatment with medication and the outcome.’

'Academics who share their knowledge with the outside world on social media are often insulted or even threatened. Especially female academics and academics of colour seem to regularly be the victim of sexist and racist comments.' This is what Ineke Sluiter, Professor of Greek Language and Literature…

This research project is funded by a subsidy from Instituut Gak.

Activities of Tony Roe, Catalina Vicens, Magda Pucci, Hans Kalliwoda, Gary Schultz, Eleni Kamma, and Danne Ojeda

On September 15th a new series of lectures will start, the Joint Lectures on Evolutionary Algorithms (JoLEA). This series of events is aimed at disseminating the latest, top-quality research on EAs. The lectures will feature world-renowned speakers, local researchers, and PhD students.

Geriatrics needs to radically change. This is what Simon Mooijaart will say in his inaugural lecture.