| A | B |
|---|
| John Napier | Bones |
| Blaise Pascal | Automatic Calculating Machine |
| Gottfried Leibnez | Caculas |
| Charles Xavier Thomas | Arithmoneter |
| Joseph Jacquard | Jacquards Lume |
| Charles Babbage | 1st modern computing device |
| Georg Scheutz | Sweadish Calculating Machine |
| Augusta Ada Byron | 1st female computer scientist |
| Herman Hollerith | Automatic Census Bearu |
| Thomas Watson Jr. | IBM |
| Alan Turing | Turing Machine |
| George Stibitz | Modern K |
| John Atanasoff | 1st electronic computer |
| Dr. Howard Aiken | mark 1 computer for IBM |
| Dr. John Mauchly & Presper Eckert | Eniac and uniac |
| John Bardeen William Shockley and walter brittain | Transisters |
| John Von Neumann | Stored Program Concept |
| Dr. Danial Slotnick | Illiac |
| Robert Noyce and Jack Kilby | Integrates Circut |
| Alan Kay | Interface |
| Grace Hopper | Mother of Cobal |
| Ted Hoff | Micro Processor |
| Ed Roberts | Altair |
| Donald Knuth | Text type setting system |
| Steve Jobs and Steve Wozniak | Apple |
| Bill Gates and Paul Allen | Microsoft |
| Steve Case | AOL |
| Lawrence Ellison | Oracle |
