Spacetime Donuts

Overview: Rudolf von Bitter Rucker (born March 22, 1946) is an American mathematician, computer scientist, science fiction author, and philosopher, and is one of the founders of the cyberpunk literary movement. The author of both fiction and non-fiction, he is best known for the novels in the Ware Tetralogy, the first two of which (Software and Wetware) both won Philip K. Dick Awards. At present he edits the science fiction webzine Flurb.