Photographic TheoryA canonical volume long overdue, smartly constructed, comprehensive and up to date, Hershberger's introductory commentaries are thoughtful, and insightful. Readers uninitiated and scholarly alike will find much to appreciate. Highly recommended! Fredrik Marsh, Guggenheim Fellow Hershberger brings the theoretical lineage of photography together in a delightful chronology from early notions of the image to todays digital revolution. It constructs a