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 Wittgenstein (Volume 1, Young Ludwig, 1988), the second volume of which is due to be published shortly.
“One could say, this book takes a close look at Wittgenstein’s face; and whether or not this will interest anyone, he was nonetheless a human being and so it may have value.” (The Dabbler, 18 May 2012)