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Blaise Pascal 1642 Pascaline
Gottfried Wilhelm von Leibniz 1670 Stepped Reckoner
Charles Babbage 1842 Analytical Engine
Herman Hollerith tabulating machine in 1890.
John Atanasoff Clifford Berry Berry computer (ABC)(1939)
Mark 1 automatic digital computer 1944
John Mauchly J. Presper Eckert ENIAC (Electronic Numerical Integration and Calculator) 1946
Alan turing Called the turing machine. The "Enigma" 1930-1940
Jon von Neumann EDVAC (Electronic Discrete Variable Automatic Computer) 1947
William Shockley, John Bardeen, and Walter Brittain Transistor 1947
Grace Murray Hopper Designed COBOL (Common Business Oriented Language) 1960
Jack Kilby 1958 hand held calculator
William Gates lll Microsoft Corporation April 4, 1975
Paul Allen Co-founder of Microsoft Corporation 1953
Thomas Knoll John Knoll Creators of Adobe Photoshop 1988
Adam Somlai-Fischer Peter Halassy Peter Arvai Prezi 2009
Created by: jurnav