Ph.D., Philosophy, Harvard University (1976)

M.A., History, Harvard University (1967)

B.A., History, Cornell University (1966)




  • “Juridical Personality and the Role of Juridical Obligation,” in Normativity and Agency: Themes from the Philosophy of Christine Korsgaard, eds. Tamar Schapiro & Kyla Ebels Duggan, (Oxford University Press, 2021).
  • “Making Others’ Ends our Own: The Challenges of Kantian Beneficence,” in Proceedings of the American Philosophical Association, vol. 93 (2019).
  • “Being Prepared: From Duties to Motives,” in Oxford Studies in Normative Ethics, vol. 9, ed. Mark Timmons (Oxford University Press, 2019).
  • “Other to Self: Finding Love on the Path to Moral Agency,” Amherst Lectures in Philosophy, 2018.
  • “Doing Too Much,” The Journal of Ethics, Volume 22, no.2, June 2018.
  • “We are Not Alone: A Place for Animals in Kant’s Ethics” in Kant on Persons and Agency, ed. Eric Watkins (Cambridge University Press, 2018).
  • “Religion and the Highest Good: Speaking to the Heart of Even the Best of Us” in Kant on Freedom and Spontaneity, ed. Kate Moran (Cambridge University Press, 2018).
  • “Kantian Commitments,” Studi kantiani” (XXIX, 2016).
  • “Impermissibility and Wrongness” Norton Introduction to Philosophy (2014).
  • “Making Exceptions,” in the Proceedings of the 11th International Kant Congress (2013).
  • “Being Helped and Being Grateful: Imperfect Duties, the Ethics of Possession, and the Unity of Morality,” Journal of Philosophy, June 2012.
  • “A Mismatch of Methods,” in Derek Parfit’s On What Matters, Volume II, ed. Samuel Scheffler, Oxford University Press, 2011.
  • “Embracing Kant’s Formalism,” Kantian Review, vol. 16, 2011.
  • “The Difference that Ends Make,” in Perfecting Virtue: Kantian Ethics and Virtue Ethics, ed. Julian Wuerth, Cambridge University Press, 2010.
  • “Morality and Moral Theory,” John Dewey Lecture, Proceedings and Addresses of the American Philosophical Association, Vol. 83, No. 2, November 2009.
  • “A Habitat for Humanity,” in Kant’s Idea for A Universal History, eds. A. O Rorty and J. Schmidt, Cambridge University Press, 2009
  • “Contingency at Ground Level,” in Moral Universalism and Pluralism, eds. Henry Richardson and Melissa Williams, NOMOS XLIX, NYU Press, 2008
  • “Morality Unbounded,” Philosophy and Public Affairs, Fall 2008.
  • “Reasoning to Obligation,” Inquiry 49 no. 1 February 2006
  • “The Scope of Moral Requirement,” Philosophy and Public Affairs, Summer 2001.
  • “Bootstrapping,” in Contours of Agency: Essays for Harry Frankfurt, eds. S. Buss & L. Overold (MIT Press, 2002).
  • “Rethinking Kant?s Hedonism,” in Facts and Values: Essays for Judith Thomson, eds. R. Stalnaker, R. Wedgwood, & A. Byrne (MIT Press, 2001).
  • “Morality and Everyday Life,” in Proceedings of the American Philosophical Association, Nov. 2000.
  • “Moral Literacy,” in The Tanner Lectures on Human Value, volume 19 (University of Utah Press, 1998).
  • “Training to Autonomy: Kant and the Question of Moral Education,” in Philosophers on Education, ed.A. O. Rorty (Routledge, 1998).
  • “A Cosmopolitan Kingdom of Ends,” in Reclaiming the History of Ethics, eds. A. Reath, C. Korsgaard, & B. Herman (Cambridge University Press, 1997).
  • “Making Room for Character,” in Aristotle, Kant, and the Stoics, eds. S. Engstrom & J. Whiting, (Cambridge University Press, 1996).
  • “Pluralism and the Community of Moral Judgment,” in Toleration: An Elusive Virtue, ed. David Heyd (Princeton University Press, 1996).
  • “Could It Be Worth Thinking About Kant on Sex and Marriage?” in A Mind of One’s Own, eds. Louise Antony and Charlotte Witt, Westview Press, 1993