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Legends

Nikola Tesla was an inventor, physicist and engineer. One of his greatest inventions was alternating current (AC), the means of electricity that powers civilization and is crucial for lighting. Tesla, who credited reading author Mark Twain’s writing for his recovery from serious illness, became very good friends with Mark Twain.

As an industry, electrical lighting is relatively new—less than 150 years old —and it originated thanks to an entrepreneur. This individual conceived of electrical lighting as a process of busy, active thought, contemplation, deliberation, experimentation and invention. His name is Thomas Edison. Edison founded the American lighting industry.

As the United States of America celebrates Independence on the Fourth of July, it’s worth remembering lighting’s role in the American Revolution. Revere’s light signal was a backup plan designed to warn patriots in Charlestown, a borough across the river from Boston, in case Revere was arrested by the British occupying Boston and thus unable to initi

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