Kit Fine is Silver Professor of Philosophy and Mathematics at New York University, and specializes in metaphysics, logic, and philosophy of language. He has held fellowships from the Guggenheim Foundation and the American Council of Learned Societies and is a former editor of the Journal of Symbolic Logic. He is the author of Reasoning with Arbitrary Objects (Blackwell, 1985), The Limits of Abstraction (2002) and Modality and Tense: Philosophical Papers (2005) and the co-author of Worlds, Times and Selves (1977). He has also written papers in ancient philosophy, linguistics, computer science, and economic theory, in addition to the papers in his central fields of interest.