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Best known for inventing the cotton gin, he became one of the early figures in American manufacturing. His work on firearm production and interchangeable parts helped shape how goods were made in the United States.

by A. B. Whitney, Elijah Whitney
Born in Westborough, Massachusetts, in 1765, Eli Whitney grew up with a talent for tools and mechanics. He studied at Yale and soon became famous for creating the cotton gin, a machine that made it much faster to separate cotton fibers from seeds.
Whitney's name is also closely tied to the rise of American manufacturing. While working on a contract to produce muskets for the U.S. government, he promoted the idea of making parts in a more standardized way, helping lay the groundwork for interchangeable parts and factory production.
He died in New Haven, Connecticut, in 1825, but his influence lasted far beyond his lifetime. Even today, he is remembered as an inventor whose ideas changed both agriculture and industry in the early United States.