I ask the philosopher Lucy O'Brien five questions about herself.

Lucy O’Brien is Professor of Philosophy at University College London and the author of “Self-Knowing Agents” (2007).

Rembrandt van Rijn: “Self-Portrait with Two Circles”

I ask the philosopher Riki Heck five questions about themselves.

Riki Heck is Professor of Philosophy at Brown University. They are the author of “Frege’s Theorem” (2011) and “Reading Frege’s ‘Grundgesetze’” (2012).

I ask the philosopher Jonathan Wolff five questions about himself.

Jonathan Wolff is the Alfred Landecker Professor of Values and Public Policy at Oxford University. He is the author of several books, including “Why Read Marx Today?” (2002), “The Human Right to Health” (2012), and “Ethics and Public Policy: A Philosophical Inquiry” (2020).

I ask the philosopher Hannah Ginsborg five questions about herself.

Hannah Ginsborg is Professor of Philosophy at the University of California at Berkeley. She is the author of “The Normativity of Nature: Essays on Kant’s ‘Critique of Judgement’” (2015).

Raphael's “Ecstasy of St. Cecilia”

I ask the philosopher T. M. Scanlon five questions about himself.

Tim Scanlon is the Emeritus Alford Professor of Natural Religion, Moral Philosophy, and Civil Polity at Harvard. He is the author of several books, including “What We Owe to Each Other” (1998), “Moral Dimensions” (2009), and “Why Does Inequality Matter?” (2018).

I ask the philosopher Gerald Dworkin five questions about himself.

Gerald Dworkin is Professor of Philosophy Emeritus at UC Davis and the author of “The Theory and Practice of Autonomy” (1988).

I ask the philosopher Elisabeth Camp five questions about herself.

Elisabeth Camp is Professor of Philosophy at Rutgers University. She is the author of “Slurring Perspectives” (2013), “Thinking with Maps” (2007), and other essays in the philosophy of language and mind.

I ask the philosopher David Hills five questions about himself.

David Hills is Associate Professor of Philosophy at Stanford University and the author of "Aptness and Truth in Verbal Metaphor" (1997) and other essays in aesthetics and the philosophy of mind.

I ask the philosopher Michele Moody-Adams five questions about herself.

Michele Moody-Adams is Joseph Straus Professor of Political Philosophy and Legal Theory at Columbia University. She is the author of “Fieldwork in Familiar Places” (1997) and a forthcoming book “Making Space for Justice: Social Movements, Collective Imagination, and Political Hope.”

Robert Gould Shaw Memorial, Boston Common

I ask the philosopher Matt Boyle five questions about himself.

Matt Boyle is Professor of Philosophy at the University of Chicago and the author of a forthcoming book, “Transparency and Reflection.”