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  2. List of African-American inventors and scientists - Wikipedia

    en.wikipedia.org/wiki/List_of_African-American...

    This list of African-American inventors and scientists documents many of the African-Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.

  3. Timeline of electrical and electronic engineering - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_electrical_and...

    Russian engineer Pavel Yablochkov invented the electric carbon arc lamp. 1876: Scottish inventor Alexander Graham Bell patented the telephone. 1877: American inventor Thomas Edison invented the phonograph. 1877: German industrialist Werner von Siemens developed a primitive loudspeaker. 1878: First electric street lighting in Paris, France 1878

  4. Lewis Howard Latimer - Wikipedia

    en.wikipedia.org/wiki/Lewis_Howard_Latimer

    Lewis Howard Latimer (September 4, 1848 – December 11, 1928) was an American inventor and patent draftsman. His inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for electric light bulbs, and an improved toilet system for railroad cars.

  5. Harold Stephen Black - Wikipedia

    en.wikipedia.org/wiki/Harold_Stephen_Black

    Subsequently, he received a B.S.S. in Electrical Engineering from WPI in 1921 and then joined Western Electric, which was the manufacturing arm of AT&T. He joined Bell Labs (1925), where he was a member of technical staff until his retirement (1963). Black started writing his autobiography with the tentative title "Before the ferry docked". [1]

  6. Benjamin Bradley (inventor) - Wikipedia

    en.wikipedia.org/wiki/Benjamin_Bradley_(inventor)

    Benjamin Boardley (March 1830 – 1904) was an American engineer and inventor. Benjamin's correct surname was Boardley, [ 1 ] [ 2 ] [ 3 ] but since 1859 when the African Repository published an article wrongly spelling Benjamin's surname as Bradley, authors have written about him with the incorrect surname.

  7. James West (inventor) - Wikipedia

    en.wikipedia.org/wiki/James_West_(inventor)

    James Edward Maceo West (born February 10, 1931) is an American inventor and acoustician. He holds over 250 foreign and U.S. patents for the production and design of microphones and techniques for creating polymer foil electrets .

  8. Granville Woods - Wikipedia

    en.wikipedia.org/wiki/Granville_Woods

    Granville Tailer Woods (April 23, 1856 – January 30, 1910) was an American inventor who held more than 50 patents in the United States. [1] He was the first African American mechanical and electrical engineer after the Civil War. [2] Self-taught, he concentrated most of his work on trains and streetcars.

  9. Nonetheless, African-American men and women made important contributions to the Manhattan Project during World War II. [1] [2] At the time, their work was shrouded in secrecy, intentionally compartmentalized and decontextualized so that almost no one knew the purpose or intended use of what they were doing. [3]