The philosophy of Ludwig Wittgenstein (1889-1951) - in particular the Tractatus Logico-Philosophicus (pub. 1922) and the Philosophical Investigations (pub. 1953) - was decisive for English-language 'analytic philosophy' in the post-war period. At the same time, French-language interest in Wittgenstein (as well as the 'analytic' tradition) was restricted and politically charged, in particular among French 1960s philosophers. Wittgenstein's influence has waned in the last quarter-century amongst philosophers working in English. In French, however, his reputation has grown considerably. This...