A poster first printed in Germany in 1926 depicts the human body as a factory populated by tiny workers doing industrial tasks. Devised by Fritz Kahn (1888-1968), a German-Jewish physician and popular science writer, "Der Mensch als Industriepalast" (or "Man as Industrial Palace") achieved international fame and was reprinted, in various languages and versions, all over the world. It was a new kind of image--an illustration that was conceptual and...