Gary N. Kemp has been a member of the Philosophy Department at Glasgow since 1997. He has written on Frege, Wittgenstein, Davidson and Quine, various topics in the Philosophy of Language, and also on Aesthetics, often about Wollheim. In addition to the two volumes edited with Hossein Khani, on Wittgenstein, Wittgenstein and Other Philosophers, Volume I and II (Routledge, forthcoming), he has written two books on Quine: Quine versus Davidson, and Quine’s Philosophy. Ali Hossein Khani is Assistant Professor at Iranian Institute of Philosophy. His publications have been mainly on Quine, Davidson, Wittgenstein and Wright. He is the author of a monograph on Kripke, Kripke’s Wittgenstein: Meaning, Rules, and Scepticism (forthcoming), and the co-editor, with Gary N. Kemp, of two volumes on Wittgenstein, Wittgenstein and Other Philosophers, Volume I and II (Routledge, forthcoming). Hossein Sheykh Rezaee is an Assistant Professor at the Iranian Institute of Philosophy, the Science Studies Division. He has graduated from Durham University, UK. His fields of interest include the social aspects/construction of science and technology, the fictional and metaphorical aspects of scientific models, and the role of values in science and technology. Hassan Amiriara is an Assistant Professor at the Iranian Institute of Philosophy (Tehran). His primary areas of interest include the metaphysics of time and metametaphysics. He has written several papers on these topics in both Persian and English languages.