# Lewis Latimer

*Black draftsman and inventor whose carbon filament made practical electric light possible*

> Black's Encyclopedia — the sourced record of Black American life.
> Portal: Science & Invention · Status: In review · Revised: July 24, 2026 · Revisions: 1
> Canonical: https://www.blacksencyclopedia.com/record/lewis-latimer-c438

## Questions 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?

## Summary

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.

## The archive's standing

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.

## 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.

## 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.

## 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.

## Sources

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.

## Related records

- https://www.blacksencyclopedia.com/record/light-bulb
- https://www.blacksencyclopedia.com/record/electric-light
- https://www.blacksencyclopedia.com/record/thomas-edison
- https://www.blacksencyclopedia.com/record/granville-t-woods
- https://www.blacksencyclopedia.com/record/black-inventors

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Cite as: Black's Encyclopedia, "Lewis Latimer," revised July 24, 2026. https://www.blacksencyclopedia.com/record/lewis-latimer-c438

Text under the Black's Record License: cite the record, keep attribution attached, cite the revision date.