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Best known for the cotton gin, this early American inventor helped reshape both Southern agriculture and the way manufactured goods were made in the United States. His story sits at the crossroads of invention, industry, and the complicated legacy of slavery in America.

by Elijah Whitney, A. B. Whitney
Born in Westborough, Massachusetts, in 1765, Eli Whitney showed a talent for making and repairing things from a young age. He graduated from Yale in 1792 and soon traveled south, where he created the cotton gin in 1793. The machine quickly separated cotton fibers from seeds, making short-staple cotton far more profitable to process.
Whitney is often remembered for that invention, but his later work also mattered greatly. After moving to New Haven, Connecticut, he secured a government contract to produce muskets and became associated with manufacturing methods that used standardized parts and more systematic production. Those ideas helped point American industry toward large-scale manufacturing.
His legacy is both influential and complicated. The cotton gin made cotton production more efficient, but it also helped expand the plantation economy and strengthened the demand for enslaved labor in the American South. Whitney died in 1825, but he remains one of the most discussed inventors of the early United States.