The interactive era in computer graphics was started by Ivan Sutherland with the innovative use of the sketchpad for his Ph.D. thesis at M.I.T. in 1963.
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Ivan Sutherland (left) receives the 1996
Smithsonian ComputerWorld Award With Dave Evans, his partner at Evans & Sutherland and co-recipient of the award, Ivan pioneered 3-D computer modeling and visual simulations, the basis for computer graphics, computer aided design (CAD), and interactive pilot training simulators widely used in military and commercial aviation. |
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| Ivan Sutherland An electronics engineer, Ivan Sutherland was one of the earliest pioneers in computer graphics. He is also credited with the development of the first head-mounted display, today an integral part of many virtual reality systems. |  |
Input devices could be visualized as Physical devices based on suitable properties and the manner of their operation and as logical devices where the properties are specified in terms of what they do from the perspective of the application program.
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