Miyako Ishiuchi is a world-famous photographer and laureate of the "Nobel Prize of photography," the Hasselblad Award. She chooses to focus on the personal effects of the deceased, including the victims of the Hiroshima A-bomb, to document peoples' memories and the vestiges of time. In her latest exhibition, she seeks to find understanding of her late mother by focusing on her effects and that of a female artist of the same generation. Robert Campbell zooms in on her focus and vision.