1916 – 1999
Roderick Chisholm was an American analytic philosopher widely regarded as one of the most important epistemologists and metaphysicians of the twentieth century. He spent nearly his entire career at Brown University, where he made foundational contributions to the theory of knowledge, philosophy of mind, and metaphysics, particularly on topics of intentionality, epistemic justification, and human freedom.
Developed a foundationalist theory of epistemic justification grounded in self-presenting mental states
Pioneered the modern analysis of intentionality, reviving Brentano's thesis for analytic philosophy
Defended agent causation as a libertarian account of free will
Authored 'Theory of Knowledge' (1966), a defining textbook in analytic epistemology
Advanced mereological essentialism and a systematic ontology of events, states, and boundaries