| A | B |
|---|
| Samuel Slater | Built af textile factory in Rhode Island based on copied plans for a spinning machine |
| Francis Cabot Lowell | Built textile plantin Waltham, MA; had mill employing teen girls |
| Eli Whitney | first used interchangeable parts in gun-making; invented the cotton gin |
| Robert Fulton | developed the first steamboat, The Clermont |
| Cyrus McCormick | Invented an early reaper machine |
| John Deere | Developed and marketed the first steel plow |
| Elias Howe | Invented the first viable sewing machine |
| Cyrus Field | Financed the laying of the first translatlantic telegraph cable |
| Samuel Morse | Invented the first telegraph; also a fierce nativist who wrote against immigrantion |
