Ellis

Ellis Clarence ellis
Clarence ellis
Why is Clarence Ellis famous? Ellis was the first African-American to earn a Ph. D. in Computer Science (1969), and the first African-American to be e...
Ellis Clarence skip'' ellis accomplishments
Clarence skip'' ellis accomplishments
What did Clarence Ellis invent? Ellis was at the Palo Alto Research Center (PARC) from 1976 to 1984. There he headed a group that invented and develop...