| A | B |
| Charles Babbage | 1830's - Analytical Engine |
| Konrad Zuse | Z3 Computer - 1941 |
| Bardeen, Brattain & Shockley | Invented Transistor - 1947 |
| John Atanasoff & Clifford Berry | ABC Computer - started in 1937 |
| Jack Kilby | 1958 - First integrated circuit |
| Grace Hopper | First person to debug a computer. |
| Ted Hoff | 1971 - created first microprocessor: Intel 4004 |
| Steve Jobs & Steve Wozniak | 1976- built first Apple computer |
| John Presper Eckert & John W. Mauchly | Created UNIVAC, which predicted 1952 presidental election. |
| Jay Forrester | Invented core memory in 1949 |
| H. Edward Roberts | In 1975, his MITS, Inc. sells first successful PC - the Altair |
| Tim Berners-Lee | invented World Wide Web in 1989. |
| Bill Gates & Paul Allen | Founded Microsoft in 1975 |
| Robert Metcalfe | Created Ethernet protocol in 1973 |