Slavoj Žižek, a philosopher and cultural critic, is Senior Researcher in the Department of Philosophy at the University of Ljubljana, Global Distinguished Professor of German at New York University, and International Director of the Birkbeck Institute for the Humanities at the University of London. He is the author of more than thirty books, including Looking Awry: An Introduction to Jacques Lacan through Popular Culture, The Puppet and the Dwarf: The Perverse Core of Christianity, The Parallax View, The Monstrosity of Christ: Paradox or Dialectic (with John Milbank), and Žižek's Jokes (Did you hear the one about Hegel and negation?), these five published by the MIT Press.

John Milbank is an influential Christian theologian and the author of Theology and Social Theory: Beyond Secular Reason and other books.