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Ivan Sutherland at the console of the TX-2. Sketchpad Project, MIT

January 7, 1963

1963 Ivan Sutherland Introduces the Sketchpad

Ivan Sutherland introduces the Sketchpad submitting his Ph.D. thesis to MIT. The Sketchpad, one of the earliest programs for the TX-0, allowed direct manipulation of objects on a computer screen. Using the Sketchpad, a user could create and manipulate graphical figures with a light pen. This thesis provided the basis for later graphical user interfaces and is considered one of the seminal papers in computer science.