sentences:  He has also taught at the University of New South Wales, Arizona State University, Syracuse University, Rutgers University, and Princeton University.Hawthorne's 2006 collection "Metaphysical Essays" offers original treatments of fundamental topics in philosophy, including identity, ontology, vagueness, and causation, which one reviewer called "essential reading for anyone currently engaged in analytic metaphysics".In his book "Knowledge and Lotteries", Hawthorne defends a view in epistemology according to which the presence of knowledge is dependent on the subject's interests (he calls this view "Subject-Sensitive Invariantism").