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238 search results for “ethiek theory” in the Student website

• Invitation to three mini-lectures on Political Theory Announcement - 24 June 2026

  Education

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  David Quinn Alvarez PhD candidate

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  Floske Spieksma Professor emeritus

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  Michael Keane Professor / guest

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  Evgeny Verbitskiy Associate professor

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  Charlene Kalle Associate Professor

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  Frank den Hollander Professor emeritus

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  Georgios-Evgenios Douliakas Lecturer

  Faculty of Humanities

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  Marco Streng Associate Professor

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  Peter Stevenhagen Professor

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  Robin de Jong Associate Professor

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  Ronald Cramer Professor

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  Martin Bright Associate professor and director of education

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  Jan-Hendrik Evertse Associate professor

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  M Bhargava Professor

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  Ronald van Luijk Professor of

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  Peter Bruin Associate professor

• share their experiences from the past year: ‘Experiences really bring theory to life’ News - 29 June 2026

  The academic year is coming to an end, and the summer break is approaching. FGGA students are working hard to complete the final stretch. We asked them how they look back on the past year and what tips they would like to share with fellow students.

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  Evert Jan van Leeuwen University Lecturer

  Faculty of Humanities

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  Bart de Smit Vice Dean / professor

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  David Holmes Professor

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  Hendrik Lenstra Professor emeritus

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  Kyra Alberts External PhD Candidate

  Faculty of Humanities

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  Zhong Chua PhD candidate

  Faculty of Humanities

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  Megumi Kitagawa Guest

  Faculty of Social and Behavioural Sciences

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  René van der Veer Professor emeritus

  Faculty of Social and Behavioural Sciences

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  Koenraad Schalm Professor

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  Yanni Dong Postdoc

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  Rob Tijdeman Professor emeritus

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  Hendrik Jacob Roelof Kaptein Lecturer

  Faculteit der Rechtsgeleerdheid

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  Nandan Malhotra
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  Carlos Roos Muñoz Lecturer

  Faculty of Humanities

• Minors Humanities Minors and elective credits

  A minor allows you to develop your knowledge beyond the boundaries of your study programme, or to specialise further in your own field of study. You can follow a minor in Leiden and also in Delft or Rotterdam.

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  Mariëlle Linting Associate Professor

  Faculty of Social and Behavioural Sciences

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  Richard Gill Professor emeritus

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  Rahul Bandyopadhyay PhD candidate

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  Oisin Flynn-Connolly Postdoc

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  Marcello Bonsangue Scientific Director / Professor

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  Nidesh Lawtoo Professor

  Faculty of Humanities

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  Mateo Cohen Lecturer

  Faculty of Social and Behavioural Sciences

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  Jonathan Crock External PhD candidate

  Faculteit der Rechtsgeleerdheid

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  Chenyu Shi PhD candidate

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  Arash Mohammadavvali External PhD candidate

  Faculty of Humanities

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  Qianpu Chen
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  Sarah Dukic PhD candidate

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  Björn van Zwol PhD candidate

• Uzbek mathematician refines world-famous theory: ‘So many things are connected’ News - 10 September 2025

  Predicting the collective behaviour of systems, like a large group of people electing one of the parties, is no easy task. But there’s a theory that scientists have been using for decades to do just that: the theory of Gibbs measures. Last week, mathematician Mirmukhsin Makhmudov earned his PhD for…

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  Sarita Koendjbiharie University Lecturer Management & Organization

  Faculty of Humanities

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  Henk Kelderman Guest

  Faculty of Social and Behavioural Sciences

• A theory rarely proves true in practice News - 14 October 2024

  Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…