Lewis H. Latimer —Inventor · Engineer · 1848–1928
Edison gets the bulb. Latimer made it last.
The son of escaped slaves, he patented a carbon-filament process that made electric light durable, affordable, and practical for everyday homes — then drafted the patent drawings for Alexander Graham Bell's telephone. His work quite literally helped light the world.
U.S. Patent No. 252,386 · January 17, 1882.
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