| A | B |
|---|
| John Napier | Napier Bones |
| Blaise Pascal | automatic calcuting machine |
| Gottfried Leibnez | Calculas |
| Charles Xavier Thomas | arithmotor |
| Joseph Jacquard | Jacquard loom |
| Charles Babbage | First modern computer device |
| Georg Scheutz | Swedish Calculating machine |
| Augusta Ada Bryon | First female computer scientists |
| Herman Hollerith | Automatic senus burrow |
| Thomas Watson Jr. | President of IBM |
| Alan Turing | Turing machine |
| George Stibitz | Digital calculater |
| John Atanasoff | First special purpose digital computer |
| Dr. Howard Aiken | Mark1 computer for IBM |
| Dr. John Mauchly & Presper Eckert | Illiac computer |
| John Bardeen, William Shockley & Walter Brittian | First transistor |
| John von Neuman | Stored program concepts |
| Dr. Daniel Slotnick | Illiac 4 |
| Robert Noyce & Jack Kilby | microchip |
| Alan Kay | GUI Interface |
| Grace Hopper | Cobol |
| Ted Hoff | microprocessor |
| Ed Roberts | Personal computer Altar |
| Donald Knuth | Text type system |
| Steve Jobs & Steve Wozniak | Apple computers |
| Bill Gates & Paul Allen | Founder of microsoft |
| Steve Case | AOL CEO |
| Lawerence Ellison | Oracle |
