| A | B |
| Eli Whitney | invented interchangeable parts & cotton gin |
| Samuel Morse | invented the telegraph |
| Robert Fulton | invented the steamboat |
| Henry Clay | Proposed the American System |
| John Deere | invented a lightweight steel plow |
| Samuel Slater | Made the first textile mill in America |
| Cyrus McCormick | Invented the reaper and threshing machine |
| Nat Turner | Led a slave revolt; was executed |