Synthesized answer
The provided passages do not contain information about what questions remain unanswered. The passages describe the book "Wittgenstein's Place in Twentieth-Century Analytic Philosophy" by P. M. S. Hacker, stating that it offers "a unique and compelling account of Wittgenstein's impact upon twentieth century analytic philosophy, from its inception to its subsequent decline" [1]. However, they do not elaborate on the specific content of the book or any unanswered questions discussed within it.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Wittgenstein's Place in Twentieth-Century Analytic Philosophy by P. M. S. Hacker Description: This text provides a unique and compelling account of Wittgenstein's impact upon twentieth century analytic philosophy, from its inception to its subsequent decline. Categories: Philosophy Pages: 368 Snippet: This text provides a unique and compelling account of Wittgenstein's impact upon twentieth century analytic philosophy, from its inception to its subsequent decline.