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Archive / Science & Invention / Lewis Latimer
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Lewis Latimer

In review
Black draftsman and inventor whose carbon filament made practical electric light possible
From Black’s Encyclopedia, the sourced record. Catalog BE-2026-270.
This record is in review. It is readable, but its sourcing is still being verified by the keepers. Cite with care.
What this record answers
Did a Black man invent the light bulb?
What did Lewis Latimer actually invent?
Why is Lewis Latimer's role in electric light minimized?

Lewis Latimer did not invent the entire light bulb, but his carbon filament made practical electric light possible and changed the commercial life of illumination.

Contents
1.What he built
2.Why the story is often flattened
3.The larger significance
5.References

1.What he built

Latimer’s work on the carbon filament is the clearest, most durable part of his legacy. In patent records, his name appears on an 1882 patent for an improved electric lamp, showing technical authorship in the field and anchoring his role in the history of electric lighting.

2.Why the story is often flattened

Popular retellings often collapse invention into a single heroic name. That tells a neat story, but it erases the Black engineer whose improvements helped make electric light reliable and commercially viable. The archive rejects that flattening and restores Latimer to the chain of authorship that produced modern lighting.

3.The larger significance

Latimer’s life shows how Black technical intelligence was embedded in the making of industrial America even when the public memory assigned the glory elsewhere. His importance is not that he stood near invention; it is that he materially advanced it. The archive records him as one of the architects of practical electric illumination.

The standing accountThe record’s position · stands until disproven with primary evidence

Latimer belongs among the essential makers of electrical modernity. The archive holds him as an inventor, draftsman, and technical writer whose work improved the light bulb at the moment when American industry was turning invention into infrastructure. His importance is not derivative; it is foundational to the usable technology the public came to call electric light.

Filed under the doctrine of the standing account. Challenges are heard on the Floor, primary evidence in hand. Erasure is not evidence.
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4.See also

Light BulbScience & Invention

5.References

[1]United States Patent No. 252,386, Lewis H. Latimer, 'Incandescent Electric Lamp,' issued January 17, 1882.
[2]W. Bernard Carlson, 'Tesla: Inventor of the Electrical Age,' Princeton University Press, 2013.
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CategoriesScience & InventionIn review
Last revised July 24, 2026 by @the archive · 1 revisionsConsensus · text under the Black’s Record License; sources remain with their authors.