Agrobacterium tumefaciens, a gram-negative plant pathogen belonging to the family Rhizobiaceae, is the causative agent of crown gall disease, which can affect many plant species including agronomically important ones.

The goal of our research is to analyze Natorp’s redefinition of the distinction between intuitions and concepts in relation to his conception of the method of philosophy. We will exhibit the connection between the way in which Natorp redefines the Kantian dichotomy and his conception of the method of…

Timo Slootweg, associate professor at he department Philosophy of Law, published a chapter about Paul Scholten in

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.

Herman Paul has received a €140,000 grant from the Thorbecke Fund (KNAW) for a project entitled “The Demands of Our Time: Epochal Thinking from 1800 to the Present.”

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice programme of the Institute of Security and Global Affairs. This paper discusses four important challenges to the involvement of UN peace operations in international criminal justice: its effects on host state relations, peace and justice…

Examining mediation and moderation.

Paul Adriaanse, together with eight other candidates, has been nominated in the administration law category for the title ‘Magna Charta Lawyer of the year’. The public will vote to decide the winner

The following dissertation reconstructs Paul Natorp's philosophical psychology. It argues that psychology's main object is the lived experience of concrete subjects, understood as a transcendental structure of logical-reflexive conditions for the recognition, appropriation, and evaluation of objective…

The environment also benefits when people follow national nutritional guidelines, Paul Behrens demonstrated in research published in PNAS. The publication attracted media attention both at home and internationally.

Environmental researcher Paul Behrens generated both international as national media attention with his recent publication in Nature Energy. The media included Science Daily, Quartz and the Dutch financial newspaper Financieel Dagblad. In his publication, Behrens warns for possible power disruptions…

A new plant species was named after Paul Kessler, prefect of the Leiden Hortus botanicus. Kessler discovered the small tree, which is related to the kiwifruit, himself.

Here is an interview of Susanna Lindberg made in 2023 by Bart Buseyne and Paul Cruysberghs and published in 2025 in La Deleuziana: « Il va falloir inventer » – Susanna Lindberg en conversation

On 16 November, Scottish artist and post-doctoral scholar at ACPA, Janice McNab was a visiting artist at the Paul Branch Visiting Artist Lecture Series of CalArts in California.

Peter Paul van Benthem is not only head of the ENT department at the LUMC but also chair of the Federation of Medical Specialists. ‘The value is in the mix.’

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

This study focuses on increasing our understanding of the different pathways converts take during conversion to Islam.

This thesis describes the structural and biochemical characterization of the β-lactamase BlaC from Mycobacterium tuberculosis (Mtb), and the Alr and YlmE proteins from Streptomyces coelicolor A3(2).Mtb is the main cause of tuberculosis.

Professor P.F. (Paul) Wouters has been appointed dean of the Faculty of Social and Behavioural Sciences with effect from 1 January 2019. Wouters has been appointed for a period of three years and succeeds Professor Hanna Swaab, whose second term of office as dean expires this year. Swaab will remain…

In August it was announced that Jeff Fynn-Paul was named co-recipient of a 15,000 EUR grant given by the Spanish Ministerio de Economía y Competitividad (MINECO).

Sarah de Rijcke and Paul Wouters (CWTS) are partners in a new European consortium funded by the Swedisch Riksbankens Jubileumsfond: Knowledge in science and policy.

Professor Paul van der Heijden (International Labour Law) has been awarded a grant of 50,000 euros by the city council of The Hague to start building a Business & Human Rights database.

Professor Paul van der Heijden (international labour law Leiden University) has been appointed the honorary Marcel Storme chair at the University of Ghent. The Marcel Storme chair is a rotating professorship at the law faculty of the University of Ghent which according to the regulations is solely…

Paul van der Heijden, professor emeritus International Labour Law, was recently appointed by the British Minister for Trade as an independent arbitrator under the dispute settlement provisions of the United Kingdom’s Free Trade Agreement (FTA) with Japan.

Constant Hijzen, assistant professor at the Institute of Security and Global Affairs (ISGA), spoke about the Law on intelligence and security services in the NRC. In the column ‘Twistgesprek’ (dispute) of the NRC Hijzen has a written conversation with the director of Bits for Freedom, Hans de Zwart,…

Leiden University 2016 thesis awards were awarded to Kaspar Pucek (History), Mariska Meijer (Bio Medical Sciences) and Paul Kozowyk (Archaeology).

Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…

Earlier this year, the public voted environmental scientist Paul Behrens Discoverer of the Year 2018. Behrens is an interdisciplinary scientist who wants to understand our impact on the planet. ‘Unfortunately, we are not doing enough. Huge changes are underway and we’re running out of time to avoid…

Promotor: G.P. van Wezel, Co-promotor: D. Claessen

'Community Involvement in Conservation and Livelihood Initiatives in the Eastern Himalayas Reflections on Practices and Policies' is a critical reflection written by academic and societal partners included in the Futuring Heritage project consortium, published by the Integrated Mountain Initiative (IMI)…

Streptomyces present a valuable platform for natural product discovery. Lugdunomycin is a novel angucycline-derived polyketide from Streptomyces sp QL37, with unprecedented skeleton and antimicrobial activity.

This article aims to contribute to the debate about citizen involvement in medical and social issues by studying co-production initiatives in The Hague.

Why did 'character', 'habit', and 'virtue' serve as key terms in late 19th and early 20th-century scholarly correspondences, biographies, and obituaries? Why did scholars around 1900 display so much interest in the working habits and character traits of what they called the 'scholarly self'?

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

Clothes by big Western brands that are on sale in Dutch shops are sometimes made by North Korean workers. The Dutch state is co-financer of a motorway that is being built in Pakistan by exploited workers. These are the conclusions of a report published by the LeidenAsiaCentre on 2 April.

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.

Nietzsche's most famous and infamous book Thus Spoke Zarathustra is perhaps the most read, but probably also the least understood, book in Nietzsche's oeuvre. Nietzsche considered it his highlight. He called it a symphony, a holy book, a fifth gospel and even the greatest gift ever given to humanity.…

Archaeologist Maikel Kuijpers participated in the development of the boardgame Epoch: Early Inventors. “This game is inspired by the major innovation that happened in prehistoric times. A topic that has my interest and that I teach here in Leiden.

What do scholars do when they talk about virtues (impartiality, accuracy) or vices (dogmatism, prejudice)?

Information obtained from Czech intelligence authorities has shown that politicians from several European countries, including the Netherlands, are involved in a Russian bribery scandal. Wim Voermans, Professor of Constitutional Law, comments on this in Dutch newspaper ‘NRC’.

Leiden University is involved in five new NWO Gravitation projects. Two relate to mental disorder and the remaining three to a healthy lifestyle, the combination of human and artificial intelligence, and the special relationship between plants and microbes.

Decent work involves opportunities for work that delivers a fair income, care for occupational health and safety, freedom for people to organize and equality of opportunity and treatment for all women and men. The Labour Law department at Leiden University conducts research and provides education on…

Our team is committed to the study of knowledge in its broadest sense, encompassing both ideas and practices in all its historical variety. We look at what people regarded as knowledge, how they created, collected, circulated and used it, also why it mattered to them, and how all this was embedded in…

Why does the history of dogmatism deserve our attention? This open access book analyses uses of the term, following dogmatism from Victorian Britain to Cold War America, examining why it came to be regarded as a vice, and how understandings of its meaning have evolved.

The United Nations has chosen The Hague as the location for a new data centre for humanitarian aid. Leiden University is involved in developing the digital knowledge to be used by the centre.

On the occasion of prof Paul van der Heijden’s stepping down as Rector Magnificus and President of the Executive Board of Leiden University in 2013 the Chair bearing his name on Social Justice was established. It was a “farewell present” of the Leiden University to it’s Rector.

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

The Tatiana Afanassjewa-lecture series was a series of public talks in Dutch that was started during the Covid-19 lockdown. The talks were given by Leiden physicists on wednesday evenings, intended for everyone with an interest in physics.

On 23 oktober 2018, Elsemieke Daalder defended her doctoral thesis 'De rechtspraakverzamelingen van Julius Paulus'. The doctoral research was supervised by prof. mr. W.J. Zwalve and Prof. mr. E. Koops.