william kentridge http://www.youtube.com/watch?v=5_UphwAfjhk Although he works in many media, he is perhaps best known for his series of stop-motion animated films, which are made by repeatedly erasing and reworking charcoal drawings. This interactive feature uses Kentridge's short film Tide Table (2003), which is in SFMOMA's collection, as an entry point to exploring the artist's subject matter and process.
ART:21 William Kentridge: Anything Is Possible http://video.pbs.org/video/1619754531/