Ph.D., Pittsburgh,1966. Joined the faculty in the spring term,1982, having visited in the previous year. His interests include philosophy of science (especially subjects related to probability theory and to the foundations of physics), philosophical logic, and empiricism. He is the author of An Introduction to the Philosophy of Time and Space (1970), Formal Semantics and Logic (1971), The Scientific Image (1980), Laws and Symmetry (1989), Quantum Mechanics: An Empiricist View (1991), and The Empirical Stance (2002).
B. Phil., Oxford, 1963; Ph.D., Harvard, 1967. Joined the faculty in 1981, having taught previously at Harvard and the University of Pittsburgh. He works on Greek philosophy and is the author of Reason and Human Good in Aristotle (1975), Reason and Emotion (1999) and Knowledge, Nature, and the Good (2004), and editor of Seneca: Moral and Political Essays (1995) and Plato: Complete Works (1997).
Ph.D., Harvard. Professor Harman is interested in theoretical and practical reasoning, learning theory, philosophy of language, philosophy of mind, epistemology and ethics.
Harry Frankfurt was a member of the Department of Philosophy 1990-2002. His books include Demons, dreamers, and madmen;: The defense of reason in Descartes's Meditations; The Importance of What We Care About; Necessity, Volition, and Love; The Reasons of Love; On Bullshit ; and On Truth.
Ph.D., Princeton, 1960. Joined the faculty in 1960. His interests are in logic, the philosophy of mathematics, epistemology, metaphysics, and the philosophy of language. He has written on these subjects for journals and collections and is currently doing work in the philosophy of mathematics, specifically on the interconnections between theories of knowledge and theories of the meaning of mathematical statements. With Hilary Putnam, of Harvard, he is co-editor of Philosophy of Mathematics: Selected Readings.