Ludwig Wittgenstein (1889 – 1951) might just be the most influential philosopher of the 20th century. At Cambridge he was under Bertrand Russell‘s tutelage, essentially being taught that the job of philosophy is to put definitions on everything. Russell eventually believed Wittgenstein to be a genius. In the only full length book published in his lifetime (Tractatus Logico-Philosophicus, 1922), Wittgenstein wanted …
