Dr. Brian Grant served as a professor of philosophy at the University of Calgary, Calgary, Canada, for 39 years. At the time of his death, Grant had completed what represents here the culmination of many years of thinking and writing about philosophical scepticism. A graduate in philosophy from Cambridge University (BA), University of Washington (MA), and University of California, Irvine, (PhD), Grant's publications include: This Dance of the Mind (2008), A Sort of Balance: Essays on the Later Wittgenstein (2003), The Condition of Madness (1999).