Adolf Grünbaum is Andrew Mellon Professor of Philosophy of Science at the University of Pittsburgh, as well as co-chairman of its Center for Philosophy of Science (since 1978), Research Professor of Psychiatry (since 1979), and Primary Research Professor in the Department of History and Philosophy of Science (since 2006). He is the author of 15 books, including this 3-volume collection of his papers and lectures, as well as around 400 articles in journals and books