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Computer History

Timeline Notes

Inventor Invention/Date
Blaise Pascal ( 1623 - 1662) A calculating device called " Pascaline " in 1642
Gottfried Wilhelm von Leibniz ( 1646 - 1716) Invented the Stepped Reckoner in 1670
Charles Babbage ( 1792 - 1871 ) Analytical engine / 1821 & Difference engine / 1856
Herman Hollerith ( 1860 - 1929 ) Invented the Tabulating machine in 1890
John Atanasoff ( 1903 - 1995 ) Clifford Berry ( 1918 - 1963 ) Invented Atanasoff-Berry Computer (ABC) 1939
Howard H. Aiken ( 1900 - 1973) " Mark 1 " Harvard Mark I, forerunner of the modern electronic digital computer. ( unspecified )
John Mauchly ( 1907 - 1980 ) J. Presper Eckert Invented ENIAC ( Electronic Numerical Integration And Calculator ) in 1946
Alan Turning ( 1912 - 1957 ) Invented a machine in the late 30's and 40's , it is called the Turning Machine . The " Enigma "
Jon Von Nuemann ( 1903 - 1957 ) Could divide 8 digit numbers in his mind at the age of 6. Built the EDVAC ( Electronic Discrete Variable Automatic Computer
William Shockley (
Created by: MikaTokyo