1936 Konrad Zuse - Z1 Computer - First freely programmable computer.

1942 John Atanasoff & Clifford Berry - ABC Computer - Who was first in the computing biz is not always as easy as ABC.

1944 Howard Aiken & Grace Hopper Harvard - Mark I Computer - The Harvard Mark 1 computer.

1946 John Presper Eckert & John W. Mauchly - ENIAC 1 Computer - 20,000 vacuum tubes later...

1948 Frederic Williams & Tom Kilburn - Manchester Baby Computer & The Williams Tube - Baby and the Williams Tube turn on the memories.

1947/48 John Bardeen, Walter Brattain & Wiliam Shockley - The Transistor - No, a transistor is not a computer, but this invention greatly affected the history of computers.

1951 John Presper Eckert & John W. Mauchly - UNIVAC Computer - First commercial computer & able to pick presidential winners.

1953 International Business Machines - IBM 701 EDPM Computer - IBM enters into 'The History of Computers'.

1954 John Backus & IBM - FORTRAN Computer Programing Language - The first successful high level programming language.

1955 (In Use 1959) Stanford Research Institute, Bank of America, and General Electric - ERMA and MICR - The first bank industry computer - also MICR (magnetic ink character recognition) for reading checks.

1958 Jack Kilby & Robert Noyce - The Integrated Circuit - Otherwise known as 'The Chip'

1962 Steve Russell & MIT - Spacewar Computer Game - The first computer game invented.

1964 Douglas Engelbart - Computer Mouse & Windows - Nicknamed the mouse because the tail came out the end.

1969 ARPAnet - The original Internet.

1970 Intel 1103 Computer Memory - The world's first available dynamic RAM chip.

1971 Faggin, Hoff & Mazor - Intel 4004 Computer Microprocessor - The first microprocessor.

1971 Alan Shugart &IBM - The "Floppy" Disk - Nicknamed the "Floppy" for its flexibility.

1973 Robert Metcalfe & Xerox - The Ethernet Computer Networking - Networking.

1974/75 Scelbi & Mark-8 Altair & IBM 5100 Computers - The first consumer computers.

1976/77 Apple I, II & TRS-80 & Commodore Pet Computers - More first consumer computers.

1978 Dan Bricklin & Bob Frankston - VisiCalc Spreadsheet Software - Any product that pays for itself in two weeks is a surefire winner.

1979 Seymour Rubenstein & Rob Barnaby - WordStar Software - Word Processors.

1981 IBM - The IBM PC - Home Computer - From an "Acorn" grows a personal computer revolution

1981 Microsoft - MS-DOS Computer Operating System - From "Quick And Dirty" comes the operating system of the century.

1983 Apple - Lisa Computer - The first home computer with a GUI, graphical user interface.

1984 Apple - Macintosh Computer - The more affordable home computer with a GUI.

1985 Microsoft - Windows - Microsoft begins the friendly war with Apple.