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Clarence Ellis

1943–2014

United States

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Biography

Clarence "Skip" Ellis (May 11, 1943 – May 17, 2014) was an American computer scientist, and Emeritus Professor of Computer Science and Cognitive Science at the University of Colorado at Boulder. While at the CU-Boulder, he was the director of the Collaboration Technology Research Group and a member of the Institute of Cognitive Science. Ellis was the first Black Person to earn a Ph.D. in Computer Science (1969), and the first Black Person to be elected a Fellow of the ACM (1997). Ellis was a pioneer in Computer Supported Cooperative Work and Groupware.

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Biography text · CC BY-SA 4.0 · Source checked 2026-10-13

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