Timeline: Computing History

100

Abacus

Name: Abacus
Year: 1387 AD
Info: The first mathematical computing machine

Oct 30, 1617

Napier's Rods

Sep 14, 1623

Blaise Pascal

Name: Blaise Pascal
Year: 1623-1662
Job: Inventor and writer
Info: Invented the first calculator

Nov 13, 1642

Pascaline

Name: Pascaline
Year: 1642
Info: Pascal's calulator

Jan 1, 1646

Gottfried Wilhelm von Leibniz

Name: Gottfried Wilhelm von Leibniz
Year: 1646-1716
Job: Alchemist
Info: Invented a better calculator than Pascal

Aug 16, 1673

Step Reconer

Name: Step Reconer
Year: 1673
Info: The first calculator to perform all four arithmetic operations

Dec 25, 1791

Charles Babbage

Name: Charles Babbage
Year: 1791-1817
Job: Mechanical Engineer
Info: Conidered "father of the computer"

Jun 12, 1815

Augusta ada Lovelace

Name: Augusta ada Lovelace
Year: 1815-1852
Place: London
Info: English mathematician and writer

Aug 20, 1822

Difference Engine

Name: Difference Engine
Year: 1822
Info: An automatic calculator designed to tabulate polynomial functions

Feb 8, 1860

Herman Hollerith

Name: Herman Hollerith
Year: 1860-1929
Place: Buffalo, New York
Info: He developed a mechanical tabulator based on punched cars ro rapidly tabulate statistics from million pieces of data

Nov 17, 1904

Vacuum Tubes

Name: Vacuum Tubes
Year: 1904
Info: A device controling elctric current thorugh a vacuum sealed container.

Mar 8, 1905

Thomas "Tommy" Harold Flowers

Name: Thomas "Tommy" Harold Flowers
Year: 1905-1998
Place: Poplar, London
Info: Invented the worlds first programmable electronic computer to help solve the encypted German messages

Jan 1, 1912

Alan Mathison Turing

Name: Alan Mathieson Turing
Year: 1912-1954
Place: United Kingdom
Info: A British matematician, logician, cryptanalyst, and computer scientist

Dec 16, 1950

Steve Wozniak

Name: Steve Wozniak
Year: 1950
Place: San Jose, California, USA
Info: Computer engineer and programmer who founded apple computer with Steve Jobs and Ronald Wayne.