Wittgenstein is eulogized by most contemporary academics as a profound and brilliant philosopher of the 20th century. But was of the level of Edmund Husserl, Gottlob Frege, Bertrand Russell, G. E. Moore, Martin Heidegger, Jean-Paul Sartre, Albert Camus, and Karl Popper? These philosophers were Wittgenstein’s contemporaries but they did not use his theories in their philosophy. Russell and Moore have praised Wittgenstein, but they never made use of his philosophy. They disagreed with him on every philosophical issue. I find it puzzling that Wittgenstein is regarded as a great philosopher when all his philosophical claims were rejected in his lifetime.