When we look at a photograph we see a moment that is no more. Photographs place reality into the past tense, representing not memory but memory's loss. They are not conduits for the return of memory, but memento mori: reminders of the fact of death itself. And it is in this, Jay Prosser tells us, that we find the gift of photography. Engaging the photographic reflections of figures as different as Roland Barthes and Claude Lévi-Strauss, Gordon Parks...