Lee Braver is Professor of Philosophy at the University of South Florida and the author of Groundless Grounds- A Study of Wittgenstein and Heidegger (MIT Press) and A Thing of This World- A History of Continental Anti-Realism. Alain Badiou is a French philosopher. He has published a number of major philosophical works, including The Immanence of Truths, the final installment of his Being and Event trilogy, released in French in 2018. Alain Badiou is a French philosopher. He has published a number of major philosophical works, including The Immanence of Truths, the final installment of his Being and Event trilogy, released in French in 2018. Lee Braver is Professor of Philosophy at the University of South Florida and the author of Groundless Grounds- A Study of Wittgenstein and Heidegger (MIT Press) and A Thing of This World- A History of Continental Anti-Realism. Graham Harman is Distinguished Professor of Philosophy atSCI-Arcin Los Angeles.His work on themetaphysicsof objects led to the development ofobject-oriented ontology. He is a central figure in thespeculative realismtrend in contemporary philosophy. Karsten Harries is Professor of Philosophy at Yale University.