What He Invented: The Carbon Filament For The Light Bulb.
Why It’s Important: Latimer is one of the greatest inventors of all time. Thomas Edison may have invented the electric lightbulb, but Latimer helped make it a common feature in American households. In 1881 he received a patent for inventing a method of producing carbon filaments, which made the bulbs longer-lasting, more efficient and cheaper.
In 1876, he worked with Alexander Graham Bell to draft the drawings required for the patent of Bell’s telephone.
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Otis Boykin (1920 -1982)
What He Invented: The Artificial Heart Pacemaker Control Unit.
Why It’s Important: Although there were variations to the pacemaker before Boykin’s invention, the modern-day pacemaker would not exist without his work.