Dieter Roth (April 21, 1930 – June 5, 1998) was a Swiss artist best known for his artist's books, editioned prints, sculptures, and works made of found materials, including rotting food stuffs. He was also known as Dieter Rot and Diter Rot.The dark undertone and furious, obsessive energy of his work ultimately separated him from many of the more lighthearted Fluxus artists.