David Liggins studied mathematics at Oxford, before taking a PhD in philosophy at the University of Sheffield. After a year at Cambridge as a researcher, he moved to the University of Manchester, where he is now a Senior Lecturer in Philosophy. His main research interests are in the philosophy of language, the philosophy of mathematics, and metaphysics-especially ontology. Liggins is the author of Abstract Objects (in the Cambridge University Press ""Elements"" series, 2024). For several years he has been involved in editing the journal Analysis.