| A | B |
|---|
| John Napier | Napier Bones |
| Blaise Pascal | Calculating Machine |
| Gottfried Leibnez | Came up with Calculas |
| Charles Xavier Thomas | Arithmometer |
| Joseph Jacquard | Jacards Loom |
| Charles Babbage | 1st Moderate Computing |
| Georg Scheutz | Sweedish Calculating Machine |
| Augusta Ada Byron | 1st Female computer scientist |
| Herman Hollerith | Automatic Cencus Burrow |
| Thomas Watson, Jr. | IBM |
| Alan Turing | Turing Machine |
| George Stibitz | Invented Digital Calculator |
| John Atanasoff | 1st Special purpose electronic computer |
| Dr. Howard Aiken | Mark 1 computer for IBM |
| Dr. John Mauchly | Eniac computer |
| John Bardeen | Transistors |
| John Von Neumann | Stored program concept |
| Dr. Daniel Slotnick | Illiac 1st super computer |
| Robert Noyce | 1st integrated circuit |
| Alan Kay | (GUI) Interface |
| Grace Hopper | 1st Computer Bug (Moth)-Mother of Coball |
| Ted Hoff | Invented Micro processor |
| Ed Roberts | Made the Altir |
| Donald Knuth | Make tex type setting system |
| Steve Jobs | Founder of Apple computer |
| Bill Gates | Started Microsoft |
| Steve Case | Owner of AOL |
| Lawrence Ellison | Orical |
