#60;b#62;Peter#60;/b#62; #60;b#62;M. S. Hacker#60;/b#62; is Emeritus Research Fellow at St John#8242;s College, Oxford. He is the leading authority on the philosophy of Wittgenstein and the author of the four-volume #60;i#62;Analytical Commentary on the Philosophical Investigations#60;/i#62;, the first two volumes co-authored with G. P. Baker (Blackwell, 1980-96) and of #60;i#62;Wittgenstein's Place in Twentieth-century Analytic Philosophy#60;/i#62; (Blackwell, 1996). He has also written extensively on philosophy of language and philosophy of mind, including #60;i#62;Philosophical Foundations of Neuroscience#60;/i#62; (Blackwell, 2003), co-authored with M. R.… Bennett.#60;p#62;#60;p#62;#60;b#62;Joachim Schulte#60;/b#62; is a professional writer and translator, living in Bologna. He has taught philosophy as a visiting professor at the universities of Bologna and Graz.