This volume collects the most substantial correspondence and documents relating to Wittgenstein's long association with Cambridge between the years 1911 and his death in 1951, including the letters he exchanged with his most illustrious Cambridge contemporaries Russell, Keynes, Moore, and Ramsey (and previously published as Cambridge Letters).

• Now expanded to include 200 previously unpublished letters and documents, including correspondence between Wittgenstein and the economist Piero Sraffa, and between Wittgenstein and his pupils
• Includes extensive editorial annotations
• Provides a fascinating and intimate insight into Wittgenstein's life and thought

Brian McGuinness is now Professor of the History of Philosophy at Siena. Past publications include the translation of Wittgenstein's Tractatus Logico-Philosophicus (with David Pears) and A Life of Wittegenstein (Volume 1, Young Ludwig, 1988), the second volume of which is due to be published shortly.