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Philosopher

Timothy Williamson

Logician and epistemologist — University of Oxford

University of Oxford · New College · United Kingdom · d. 6 August 1955

The founder of 'knowledge-first' epistemology, which treats knowledge as a basic concept irreducible to other mental states. He held the Wykeham Chair of Logic at Oxford from 2000 to 2023.

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Life: b. 6 August 1955 — living
Country: United Kingdom
Period: Contemporary
School: Analytic philosophy
Affiliation: University of Oxford · New College
Areas: Epistemology, Metaphysics, Philosophy of logic, Philosophical method
Major works: Vagueness (1994)
Knowledge and Its Limits (2000)
The Philosophy of Philosophy (2007)
Doing Philosophy (2018)
Key concepts: Knowledge-first epistemology, Vagueness and epistemic limits, Necessitism
Sources: University of Oxford faculty page

Stories

World

Timothy Williamson is at Yale this year; Fudan is holding a congress on his work

Oxford's emeritus Wykeham Professor of Logic is a visiting professor at Yale in 2026. A congress titled 'Williamson Encountering Chinese Philosophy' takes place in Shanghai in November.

Timothy Williamson

World Desk·20 August 2026