| A | B |
|---|
| John Napier | Napier Bones |
| Blaise Pascal | Aritmetic Calculating Machine |
| Gottfried Leibnez | Calculus |
| Charles Xavier Thomas | Arthometer |
| Joseph Jacquard | Jacquards Loom |
| Charles Babbage | First Modern Computer device |
| Georg Scheutz | Swedish Calculating Machine |
| Augusta Ada Byron | First Femal Computer Scientist |
| Herman Hollerith | Automatic Census Bureau |
| Thomas Watson Jr. | President of IBM |
| Alan Turing | Turing Machine |
| George Stibitz | Digital Calculator |
| John Atanasoff | First Special purpose electronic digital computer |
| Dr. Howard Aiken | Perfected Mark I |
| Dr. John Mauchly & Presper Eckert | Designed ENIAC |
| John Bardeen, William Shockley, & Walter Brittain | First Transistors |
| John von Neumann | Stored program concept |
| Dr. Daniel Slotnick | ILLIAC |
| Robert Noyce & Jack Kilby | First Integrated Circuit |
| Alan Kay | Idea of GUI |
| Grace Hopper | COBOL computer language |
| Ted Hoff | Microprocessor |
| Ed Robertts | built first personal computer |
| Donald Knuth | TEX type setting system |
| Steve Jobs & Steve Wozniak | Apple Computers |
| Bill Gates & Paul Allen | Microsoft |
| Steve Case | AOL |
| Lawrence Elliison | Oracle |
