According to one of Julia Margaret Cameron's great-nieces, "We never knew what Aunt Julia was going to do next, nor did any one else." This is an accurate summation of the life of the British photographer (1815-1879), who took up the camera at age forty-eight and made more than a thousand images over the next fourteen years. Living at the height of the Victorian era, Cameron was anything but conventional, experimenting with the relatively new medium...