In an 1828 letter to his partner, Nic phore Ni pce, Louis Daguerre wrote, "I am burning with desire to see your experiments from nature." In this book, Geoffrey Batchen analyzes the desire to photograph as it emerged within the philosophical and scientific milieus that preceded the actual invention of photography. Recent accounts of photography's identity tend to divide between the postmodern view that all identity is determined by context and a formalist...