1826 is the date attributed to the very first known photograph, Nicephore Niepce's "View from the Window at Gras." For traditional historians of photography this date marks the moment when the genius of man was finally able to merge the knowledge of chemistry with that of optics to create the most amazing technology of visual representation. However, those same historians recognize that the two essential components of photography---the camera and the properties of silver halides---had been known for centuries before the (...) first photograph was ever taken. (shrink)