I asked myself “Which modern philosopher is the greatest?” And after much cogitation I decided on Ludwig Wittgenstein, the Austrian thinker who made two absolutely definitive contributions to the history of Western thought. Immanuel Kant ran a close second, but Wittgenstein’s role in defining the nature and direction of philosophy since his day (1889-1951) I believe outshined even Kant’s pivotal contribution in his time (1724-1804). I’ll try to explain my reasons for this distinction in what follows.
To be sure, the contributions of Plato, Aristotle, Aquinas, Descartes, Hume, and Hegel were all pivotal in charting the philosophical thought of their day, but Wittgenstein seems to have had an even more definitive role because he did, in fact, contribute two crucial, quite different phases to modern philosophy. To begin with, the young Wittgenstein served as the pivotal thinker behind the articulation of what came to be a major turning point of contemporary Western philosophy away from the speculative reasonings of the 19th century thinkers, such as Hegel, Bergson, and Nietzsche toward the more logical and empirical approach of Bertrand Russell, Wm. James, and John Dewey on the one hand, and the logical concerns of the likes of Rudolph Carnap, Bertrand Russell and the Vienna Circle on the other. Wittgenstein’s early work focused this approach ever so clearly.
The young Wittgenstein focused the concerns of these more empiricist thinkers in his initially handwritten Tractatus Logico-Philosophicus, a document that within a few years became a sort of “bible” for the logical-empiricist thinkers who were seeking to redirect philosophy away from abstract speculations and toward more hard-headed, verifiable issues and theories. As a young man from Vienna, not as yet having begun his graduate studies with Bertrand Russell at Cambridge, Wittgenstein offered what turned out to be the most succinct, if somewhat cryptic, statement of the “Logical Empiricist” point of view on the relation between reality and language. This view focused on what has been called the “picture theory” of this relationship and remains as its cornerstone.
However, after he began to teach at Cambridge the later Wittgenstein began to rethink his initial views and explored a more flexible, dynamic understanding of the relationship between language and reality. In his later work, published as Philosophical Investigations in 1951, he focused on the notion of the “use” of terms and statements as the key to and basis of their meaning. In his later work he explored the various “language games” that speakers participate in as they seek to communicate their thoughts, ideas, and even their actions. The views of this “later”, or more mature Wittgenstein, eventually came to dominate and filter out through the contemporary philosophical understanding of human language. It is often called the “ordinary language” theory of meaning.
So, with apologies to the likes of Plato and Aristotle and Kan, for these reasons, by way of the depth and wide influence of his views, I would argue that Ludwig Wittgenstein is the most important and influential philosopher in Western thought. His influence is still felt strongly throughout the philosophical world. His motto was “Don’t ask for meaning”, ask for “use”. Today Wittgenstein’s later work still remains at the center of philosophical discussions and has opened the way for useful explorations in various related fields of study. My own dissertation was on Ian Ramsey, who in turn was very much influenced by the later Wittgenstein as he sought to discern the nature of talk about God.
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