B H This Day in Black History

November 15

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November 15, 1887

Granville T. Woods Patents Multiplex Telegraph

On November 15, 1887, Granville Woods received a patent for his multiplex telegraph system, which allowed trains to communicate with each other and with stations, greatly improving railway safety. He held over 60 patents and was known as the "Black Edison."

scienceinnovation
People: Granville T. Woods
Sources
1. Granville T. Woods - National Museum of African American History and Culture - Smithsonian2. Granville T. Woods - Inventor of the Multiplex Telegraph - The Library of Congress3. Granville T. Woods: The Black Edison - PBS
November 15, 2020

Launch of the Black AI Summit

The Black AI Summit was launched to discuss challenges and opportunities for Black individuals in AI.

Sources
1. Black AI Summit 2020 — Black in AI2. Black AI Summit: A New Era for AI — Harvard Business Review

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April 23, 1884
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Granville T. Woods received his most important patent, for the synchronous multiplex railway telegraph.
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September 10, 1856
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Granville T. Woods, prolific inventor known as the "Black Edison," was born in Columbus, Ohio.
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Agricultural scientist George Washington Carver passed away at Tuskegee Institute.
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