Wittgenstein is the most influential twentieth century philosopher in the English-speaking world. In the Philosophical Investigations, his most important work, he introduces the famous `private language argument` which changed the whole philosophical view of language. Wittgenstein and the Philosophical Investigations introduces and assesses:
* Wittgenstein`s life, and its connection with his thought
* the text of the Philosophical Investigations
* the importance of Wittgenstein`s work to contemporary philosophy.