How did we get from command line to computer interfaces we know today? PlosBlogs’s NeuroTribes offers an insight into the sketchbook of Susan Kare, the Artist who’s high-school friend Andy Hertzfeld, the lead software architect for the Macintosh operating system, offered a job to design fonts for the Mac.
Inspired by the collaborative intelligence of her fellow software designers, Kare stayed on at Apple to craft the navigational elements for Mac’s GUI. Because an application for designing icons on screen hadn’t been coded yet, she went to the University Art supply store in Palo Alto and picked up a $2.50 sketchbook so she could begin playing around with forms and ideas. In the pages of this sketchbook, which hardly anyone but Kare has seen before now*, she created the casual prototypes of a new, radically user-friendly face of computing — each square of graph paper representing a pixel on the screen.
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Kare’s work gave the Mac a visual lexicon that was universally inviting and intuitive. Instead of thinking of each image as a tiny illustration of a real object, she aimed to design icons that were as instantly comprehensible as traffic signs.