Eduardo Cadava is Professor of English at Princeton University. He is the author of Words of Light: Theses on the Photography of History and Emerson and the Climates of History, and the coeditor of Who Comes after the Subject?, Cities without Citizens, and The Itinerant Languages of Photography. He also has introduced and cotranslated Nadar's memoir, Quand j’étais photographe, published by the MIT Press as When I Was a Photographer.