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Inventor

Blaise Pascal
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Inventor

Gottfried Wilhelm von Leibniz
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Computer History

Timeline

InventorInvention/Date
Blaise Pascal Pascaline 1642
Gottfried Wilhelm von Leibniz Stepped Reckoner 1670
Charles Babbage Analytical Engine-calculating machine 1842
Herman Hollerith Tabulating Machine 1890
John Atansoff & Clifford Berry Atanasoff-Berry Computer 1939
Howard H. Aiken Mark 1 1944
John Mauchly & J. Presper Eckert ENIAC (Electronic Numerical Integration and Calculator) 1946
Alan Turing Turing Machine 1936
Jon von Neumann EDVAC (Electronic Discrete Variable Automatic Computer) 1947
William Shockley, John Bardeen, & Walter Brattain Transistor 1947
Grace Murray Hopper COBOL (Common Business Oriented Language)
Jack Kilby 1st integrated Circuit 1958
William Gates III Founder of Microsoft Corporation 1975
Paul Allen Co-founder Microsoft Corporation 1975
Thomas Knoll & John Knoll Adobe Photoshop 1988
Charles M. Herzfeld ARPAnet 1969
Peter Halacsy, Peter Arvai, & Adam Fischer Prezi 2009
Robert Metcalfe Ethernet Computer Networking 1973
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