# Computer History Timeline Mychael, Bruce

• Period: Jan 1, 700 to

• Sep 13, 724

# Liang Ling-Can

Liang Ling-Can creates the first fully mechanical clock.
• Sep 13, 1492

# Leanardo da Vinci

Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots
• # John Napier

John Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots
• # William Oughtred

William Oughtred develops slide rules
• # Wihelm Schickard

Calculating Clock: Invented by Wilhelm Schickard
• # Blaise Pascal

Blaise Pascal: Blaise Pascal invents the the "Pascaline", a mechanical adding machine
• # Gottfried Leibniz

Gottfried Leibniz is known as one of the founding fathers of calculus
• # Charles Xavier Thomas

1820 Arithmometer: The Arithmometer was the first mass-produced calculator invented by Charles Xavier Thomas de Colmar
• # Charles Babbage

1822 Charles Babbage: Charles Babbage designs his first mechanical computer
• # Charles Babbage

1834 Analytical Engine: The Analytical Engine was invented by Charles Babbage
• # Samuel Morse

1835 Morse code: Samuel Morse invents Morse code
• # George Boole

1848 Boolean algebra: Boolean algebra is invented by George Boole
• # Per Gerorge Scheutz

1853 Tabulating Machine: Per Georg Scheutz and his son Edvard invent the Tabulating Machine
• # Willaim Stanley Jevons

1869 William Stanley Jevons: William Stanley Jevons designs a practical logic machine
• # Ramon Verea

1878 Ramon Verea: Ramon Verea invents a fast calculator with an internal multiplication table
• # Alexander Graham Bell

1880 Alexander Graham Bell: Alexander Graham Bell invents the telephone called the Photophone
• # Dorr E. Felt

1884 Comptometer: The Comptometer is an invention of Dorr E. Felt which is operated by pressing keys
• # Herman Hollerith

1890 Herman Hollerith: Herman Hollerith invents a counting machine which increment mechanical counters
• # Gugliemo Marconi

1895 Guglielmo Marconi: Radio signals were invented by Guglielmo Marconi
• # Herman Hollerith

1896 Tabulating Machine Company: Herman Hollerith forms the Tabulating Machine Company which later becomes IBM
• # Nikola Tesla

1898 Nikola Tesla: Remote control was invented by Nikola Tesla
• # Lee De Forest

1906 Lee De Forest: Lee De Forest invents the electronic tube
• # IBM

1911 IBM: IBM is formed on June 15, 1911
• # Philo Farnsworth

1923 Philo Farnsworth: Television Electronic was invented by Philo Farnsworth
• # John Logie Baird

1924 John Logie Baird: Electro Mechanical television system was invented by John Logie Baird
• # Walther Bothe

Walther Bothe: Walther Bothe develops the logic gate
• # Vannevar Bush

1930 Vannevar Bush: Vannevar Bush develops a partly electronic Difference Engine
• # Kurt Godel

1931 Kurt Godel: Kurt Godel publishes a paper on the use of a universal formal language
• # Alan Turing

1937 Alan Turing: Alan Turing develops the concept of a theoretical computing machine

1938 Konrad Zuse: Konrad Zuse creates the Z1 Computer a binary digital computer using punch tape
• # George Stibitz

1939 George Stibitz: George Stibitz develops the Complex Number Calculator - a foundation for digital computers
• # William Hewlett Packard

Hewlett Packard: William Hewlett and David Packard start Hewlett Packard
• # John Vincent Atansoff

John Vincent Atanasoff and Clifford Berry: John Vincent Atanasoff and Clifford Berry develop the ABC (Atanasoft-Berry Computer) prototype

1943 Enigma: Adolf Hitler uses the Enigma encryption machine
• # Alan Turing

Colossus: Alan Turing develops the the code-breaking machine Colossus
• # Howard Aiken & Grace Hopper

1944 Howard Aiken & Grace Hopper: Howard Aiken and Grace Hopper designed the MARK series of computers at Harvard University
• # John Presper

1945 ENIAC: John Presper Eckert & John W. Mauchly: John Presper Eckert & John W. Mauchly develop the ENIAC ( Electronic Numerical Integrator and Computer)
• # Grace Hopper

Computer Bug: The term computer ‘bug’ as computer bug was first used by Grace Hopper
• # F. C. Willaims

1946 F.C. Williams: F.C. Williams develops his cathode-ray tube (CRT) storing device the forerunner to random-access memory (RAM)
• # Donald Watts Davies

1947 Pilot ACE: Donald Watts Davies joins Alan Turing to build the fastest digital computer in England at the time, the Pilot ACE
• # Willaim Shockley

William Shockley: William Shockley invents the transistor at Bell Labs
• # Douglas Engelbart

Douglas Engelbart: Douglas Engelbart theorises on interactive computing with keyboard and screen display instead of on punchcards
• # Andrew Donald Booth

1948 Andrew Donald Booth: Andrew Donald Booth invents magnetic drum memory
• # Frederic Calland Williams

Frederic Calland Williams & Tom Kilburn: Frederic Calland Williams & Tom Kilburn develop the SSEM "Small Scale Experimental Machine" digital CRT storage which was soon nicknamed the "Baby"
• # Claude Shannon

1949 Claude Shannon: Claude Shannon builds the first machine that plays ches s
• # Howard Aiken

Howard Aiken: Howard Aiken develops the Harvard-MARK III
• # Hideo Yamachito

1950 Hideo Yamachito: The first electronic computer is created in Japan by Hideo Yamachito.
• # Alan Turing

Alan Turing: Alan Turing publishes his paper Computing Machinery and Intelligence which helps create the Turing Test.
• # T. Raymond Thompson

1951 LEO: T. Raymond Thompson and John Simmons develop the first business computer, the Lyons Electronic Office (LEO) at Lyons Co.
• # UNIVAC

UNIVAC: UNIVAC I (UNIVersal Automatic Computer I) was introduced - the first commercial computer made in the United States and designed principally by John Presper Eckert & John W. Mauchly
• # EDVAC

EDVAC: The EDVAC (Electronic Discrete Variable Automatic Computer) begins performing basic tasks. Unlike the ENIAC, it was binary rather than decimal
• # The IBM

1953 The IBM 701 becomes available and a total of 19 are sold to the scientific community.
• # John Backus

1954 John Backus & IBM: John Backus & IBM develop the FORTRAN Computer Programming Language
• # Bell Labs

1955 Bell Labs introduces its first transistor computer.
• # Wilbur Peters

1956 Optical fiber was invented by Basil Hirschowitz, C. Wilbur Peters, and Lawrence E. Curtiss
• # Sputnik I

1957 Sputnik I and Sputnik II: Sputnik I and Sputnik II are launched by the Russians
• # ARPA

1958 ARPA (Advanced Research Projects Agency) and NASA is formed
• # Silicon chip

Silicon chip: The first integrated circuit, or silicon chip, is produced by the US Jack Kilby & Robert Noyce
• # Paul Baran

1959 Paul Baran: Paul Baran theorises on the "survivability of communication systems under nuclear attack", digital technology and symbiosis between humans and machines
• # COBOL

COBOL: The Common Business-Oriented Language (COBOL) programming language is invented
• # Gemeral Motors

1961 Unimate: General Motors puts the first industrial robot, Unimate, to work in a New Jersey factory
• # First computer game

1962 The first computer game: The first computer game Spacewar Computer Game invented BY Steve Russell & MIT
• # Douglas Engelbart

1963 The Computer Mouse: Douglas Engelbart invents and patents the first computer mouse (nicknamed the mouse because the tail came out the end)
• # ASCII

The American Standard Code for Information Interchange (ASCII) is developed to standardize data exchange among computers.
• # Word Processor

1964 Word processor: IBM introduces the first word processor
• # BASIC

BASIC: John Kemeny and Thomas Kurtz develop Beginner’s All-purpose Symbolic Instruction Language (BASIC)
• # Hypertext

1965 Hypertext: Andries van Dam and Ted Nelson coin the term "hypertext"
• # Floppy Disk

1967 Floppy Disk: IBM creates the first floppy disk
• # Seymour Cray

1969 Seymour Cray: Seymour Cray develops the CDC 7600, the first supercomputer
• # E-mail

1971 E-mail: E-mail was invented by Ray Tomlinson