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Clarence A. "Skip" Ellis
South Chicago in 1943
Clarence A. "Skip" Ellis was a black computer scientist from southern Chicago who managed to overcome poverty to become the first black computer scientist, and still teaches today.
Beloit College
University of Illinois
He also helped invent the icon based GUI, one of the most used developments in the history of computers.
Windows 8, the newest version of the Windows operating system, is a example of a icon based GUI.
Awards received: Fellow, Association for Computing Machinery, 1997
Men working on the Illiac IV