A sad day today as we awake to the death of Steve Jobs. Whether you're a love or hater of Apple products, an iPhone user or a computer scientist few will deny Steve's inspirational work over the last 20 years. He turned Apple into the industry leaders they are today. In early years he contributed significant technical work towards raster graphics and in recent years he inspired the designs and innovation for both the iPhone and iPad.
Apple have a page up in appreciation of Steve's work. http://www.apple.com/stevejobs/