He has worked in a wide range of media since the early 1960s, producing abstractions, landscapes, images derived from the mass media and from other photographs, and more. (gerhard-richter.com)
After the photographs are printed, translated to paper or board and made physical, they are combined with other photographs, drawings and scraps of paper within a single frame. (documentspace.com)
Other photographs lined the living - room wall itself. (religion-online.org)