John Rajchman is an adjunct professor in the department of art history and archaeology at Columbia University. He is a philosopher who has written extensively on contemporary art and architecture. He is a co-editor, with Etienne Balibar and Anne Boyman, of French Philosophy Since 1945: Problems, Concepts, Inventions (The New Press). His other books include The Deleuze Connections, Truth and Eros, and Constructions. He lives in New York City.