With his monumental photographic project ‘People of the 20th Century’ August Sander aimed to create a historical document that would illustrate the social structure of early twentieth-century Germany for future generations. The seventh and final group of photographs in the project is titled ‘The Last People’ and depicts figures on the margins of society: the ill, the disabled, the old and the insane. This photograph of two blind children learning to read Braille was taken during a visit to ‘The Institute for the Blind’ in Düren, near Sander’s home town of Cologne. The image is striking for its multiple allusion to vision, visuality and tactility. Within a tightly framed composition, two pairs of blind eyes look sightlessly down on two pairs of feeling hands that are engaged in another form of visuality – a tactile one.