The famous Macintosh "Picasso" logo was developed for the introduction of the Mac back in 1984. A minimalist line drawing in the style of Pablo Picasso, this whimsical graphic implied the whole of a computer in a few simple strokes. It was an icon of what was inside the box, and became as famous as the computer it represented.
Apple used the Picasso artwork extensively, as a complete piece and as component elements. The logo was designed by Tom Hughes and John Casado.