| A | B |
|---|
| John Napier | Napier bones |
| Blaise Pascal | Automatic calculation machine |
| Gottfried Leibnez | Calculus |
| Charles Xavier Thomas | arithometer |
| Joseph Jocquard | Jacquard's Loom |
| Charles Babbage | 1st modern computing device |
| Georg Scheutz | Swedish calculating machine |
| Augusta Ada Byron | 1st female computer scientist |
| Herman Hollerith | Cencus machine |
| Thomas Watson Jr. | Started IBM |
| Alan Turing | Invented Turing Machine |
| Geroge Stibitz | Swiss Calculating machine |
| John Atanasoff | 1st electronic digital computer |
| Dr. Howard Aiken | mark 1 computer |
| Dr. John Mauchly & Pesper Eckert | ENIAC |
| John Bardeen William Shockley Walter Brittain | Transistors |
| John Von Neumann | Idea of stored computers |
| Dr. Daniel Slotnick | 1st super computer |
| Robert Noyce Jack Kilby | 1st intergrated circuits |
| Alan Kay | Interface |
| Grace Hopper | mother of cobol |
| Ted Hoff | Microprocessor |
| Ed Roberts | 1st personal comp. Attair |
| Donald Knuth | text type setting system |
| Steve Jobs and Steve Wozniak | Founded Apple |
| Bill Gates Paul Allen | founded microsoft |
| Steve Case | CEO of AOL |
| Lawrence Ellison | Oracle |
