Intellectual setting
Quine studied at Harvard under Whitehead, traveled to Vienna, Warsaw, and Prague in the early 1930s where he engaged the Vienna Circle logical positivists, and then spent his career at Harvard, where his students and colleagues, including Donald Davidson and Hilary Putnam, helped make it a center of postwar American analytic philosophy.
Key ideas
Rejection of the analytic-synthetic distinction
In "Two Dogmas of Empiricism," Quine argued that no principled, non-circular criterion separates truths knowable by meaning alone (analytic) from truths knowable by empirical fact (synthetic), undermining a cornerstone of logical positivism and reshaping twentieth-century philosophy of language and epistemology.
Confirmation holism and ontological relativity
Quine held that our statements about the world face "the tribunal of experience" not individually but as a corporate body (confirmation holism), and in "Word and Object" he argued that ontological commitment is relative to a chosen theoretical framework, illustrated by the indeterminacy of radical translation.
Legacy
Quine's critique of the analytic-synthetic distinction and his naturalized epistemology reoriented American analytic philosophy away from logical positivism toward naturalism and philosophy of science, decisively influencing Donald Davidson, Hilary Putnam, and the broader trajectory of twentieth-century philosophy of language, logic, and epistemology.