Inventor | Invention |
Blaise Pascal (1623-1662) | Pascaline - 1642 |
Gottfried Wilhelm von Leibniz (1646-1716) | Stepped Reckoner - 1670 |
Charles Babbage (1792-1871) | Analytical Engine-Calculating Machine - 1842 |
Herman Hollerith (1860-1929) | Tabulating Machine - 1890 |
John Atanasoff (1903-1995)
Blifford Berry (1918-1963) | Atanasoff-Berry Computer (ABC) - 1939 |
Mark 1 | Automatic Sequence Controlled Calculator (ASCC) - 1944 |
John Mauchly (1907-1980)
J. Presper Eckert (1919-1995) | Electronic Numerical Integration and Calculator (ENIAC) - 1946 |
Alan Turing (1912-1954) | Turing Machine - Late 1930's and early 1940's |
Jon von Neumann (1903-1957) | Electronic Discrete Variable Automatic Computer (EDVAC) - 1947 |
William Shockley
John Bardeen
Walter Brittain | Transistor - 1947 |
Grace Murray Hopper (1906-1992) | Common Business Oriented Language (COBOL) - 1959 |
Jack Kilby (1923-2005) | 1st Handheld Calculator - 1958 |
William Gates III (10/28/1951) | Microsoft Corperation - 1975 |
Paul Allen (01/21/1953) | Co-founder of Microsoft Corporation - 1975 |
Thomas Knoll
John Knoll | Adobe Photoshop - 1988
Prezi - 2008 |