For 10 points, identify this philosopher of The Blue and Brown Books, Philosophical Investigations, and Tractatus Logico-Philosophicus.
The "significance" of this thinker's ideas for "social and political thought" is the subject of Hannah Pitkin's work about this thinker "and Justice. A book which discusses a skeptical paradox in this philosopher's work was written by Saul Kripke and titled after this philosopher "on (*) Rules and Private Language," and this thinker's student Elizabeth Anscombe wrote a notable introduction to his first major work; that work contains such statements as "Objects contain the possibility of all situations," and "What we cannot speak about we must pass over in silence." For 10 points, identify this philosopher of The Blue and Brown Books, Philosophical Investigations, and Tractatus Logico-Philosophicus.
The "significance" of this thinker's ideas for "social and political thought" is the subject of Hannah Pitkin's work about this thinker "and Justice.
Ludwig {Wittgenstein}