Terence Henry IrwinFBA (/ˈɜːrwɪn/; born 21 April 1947), usually cited asT. H. Irwin, is a scholar and philosopher specializing in ancient Greek philosophy and the history of ethics (i.e., the history of Western moral philosophy in ancient, medieval, and modern times). He spent most of his career atCornell University before becoming the Professor of the History of Philosophy at theUniversity of Oxford, and Fellow ofKeble College, Oxford from 2007 until 2017.

Irwin was an undergraduate atMagdalen College, Oxford, where he graduated with a BA (first-class honours) inLiterae Humaniores (Classics, Philosophy and Ancient History) in 1969. He then studied atPrinceton University withGregory Vlastos, and graduated with a PhD in philosophy in 1973. He was assistant professor of philosophy atHarvard University (1972–1975) and then, from 1975 until 2007, he was atCornell University, where he served as Susan Linn Sage Professor of Philosophy and Humane Letters (from 1995), Professor of Classics (from 1992), and Professor of Philosophy (from 1982). He moved to Oxford in 2007, and retired in 2017.

Irwin is a Fellow of both theAmerican Academy of Arts and Sciences and theBritish Academy.^[3] He is married toGail Fine, who was also a professor of philosophy atCornell University and visiting professor of ancient philosophy at Oxford.^[4]

• Plato's Moral Theory. Oxford: Oxford University Press, 1977.ISBN 0-19-824614-5
• Plato's Gorgias (translation and notes). Oxford: Oxford University Press, 1979.ISBN 0-19-872087-4
• Aristotle's Nicomachean Ethics (translation and notes). Indianapolis: Hackett Publishing Company, 1985.ISBN 0-915145-65-0
• Aristotle's First Principles. Oxford: Oxford University Press, 1988.ISBN 0-19-824717-6
• Classical Thought. OPUS Series. Oxford: Oxford University Press, 1988.ISBN 0-19-219196-9
• Plato's Ethics. Oxford: Oxford University Press, 1995.ISBN 0-19-508644-9
• The Development of Ethics, Vol. 1 (from Socrates to the Reformation). Oxford: Oxford University Press, 2007.ISBN 978-0-19-824267-3
• The Development of Ethics, Vol. 2 (from Suarez to Rousseau). Oxford: Oxford University Press, 2008.ISBN 978-0-19-954327-4
• The Development of Ethics, Vol. 3 (from Kant to Rawls). Oxford: Oxford University Press, 2009.ISBN 978-0-19-957178-9

In addition, Irwin has published over 100 essays and articles in journals and volumes of conference proceedings.^[5]

• Terence Irwin’s home page at the University of Oxford's Faculty of Philosophy
• Terence Irwin’s home pageArchived 9 June 2011 at theWayback Machine at Keble College, Oxford

• 1947 births
• Living people
• Harvard University Department of Philosophy faculty
• Cornell University faculty
• British scholars of ancient Greek philosophy
• Plato scholars
• 20th-century Irish philosophers
• 21st-century Irish philosophers
• Fellows of Keble College, Oxford
• Fellows of the British Academy
• Henry Wilde Prize winners

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