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| "Father of the American Factory System," skilled British mechanic who brought the plans for their textile machines to America. | ||
| Invented a mechanical mower-reaper; one man could do the work of five. | ||
| Made the cotton gin, developed the idea of interchangeable parts. | ||
| German political spokesperson; he was against slavery and political corruption. | ||
| Invented the first steamboat by installing a steam engine in the Clermont steamship. | ||
| Invented the telegraph, strung a line between Washington and Baltimore. | ||
| Presided over the construction of the Erie Canal; Governor of New York. | ||
| Urged women to take up the teaching profession. | ||
| One of the first Americans to advocate the preservation of nature as a deliberate national policy; he proposed the idea of a national park. |
