Philosophy of knowledge (MA)
Meet our staff

Dr. C. A. Jacobs
Caspar Jacobs is a University Lecturer in Theoretical Philosophy. His main research areas are philosophy of physics and philosophy of science. He is also interested in the metaphysics of quantities, Early Modern history and philosophy of science and philosophy of cognitive science. View his full profile here.

Dr. C.E. Diehl
Catharine Diehl is a University Lecturer in Theoretical Philosophy. Currently, she is working on several projects concerning principles of individuation, the logic of identity, and the phenomenon of inexpressible ignorance. She's also working on a defence of arbitrary reference. View her full profile here.

Dr. H.D. Hogenbirk
Hugo Hogenbirk is a philosopher with a background in computer science and digital humanities. His work concerns both contemporary theoretical philosophy (especially in relation to the analysis of the semantics and metaphysics of fiction) and conceptual/intellectual history. View his full profile here.

Prof.dr. J.W. McAllister
James McAllister is Professor of History and Philosophy of Science at the Institute for Philosophy. His research is in the field of History and Philosophy of Science. View his full profile here.

Dr. M.S. van der Schaar
Maria van der Schaar is a Senior University Lecturer at the Institute for Philosophy. The teaching of Maria van der Schaar concerns the philosophy of logic, including philosophy of language, and its history. Topics include: speech acts, semantics, and truth; and Frege, Husserl, and Hume. See more here.

Dr. M.A. Lipman
Martin Lipman is a University Lecturer at Leiden University. His main research project is to develop a new concept of 'relativity' and defend its application to a range of phenomena, such as the nature of time and consciousness. View his full profile here.

Dr. V.A. Gijsbers
Victor Gijsbers is a University Lecturer at the Institute for Philosophy. His main research interests are in metaphysics, where he studies the topics of time, causation, and modality. View his full profile here.