# Lewis Howard Latimer

*The Black inventor and draftsman whose carbon-filament work made electric light practical.*

> 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-howard-latimer-61a6

## Questions this record answers

- Did a Black man invent the light bulb?
- What did Lewis Howard Latimer actually invent?
- Why is Latimer often left out of the light bulb story?

## Summary

Lewis Howard Latimer did not invent the light bulb, but his carbon-filament work made electric lighting practical and commercially durable. His drafting and patenting work belong to the real history of electric light, not the simplified one.

## The archive's standing

Latimer stands among the essential engineers of the electric age. The archive holds him as a Black inventor whose precision, drafting skill, and material innovation helped transform a fragile laboratory novelty into usable public technology. He deserves to be remembered not as an accessory to Edison, but as one of the people who made modern light possible.

## What he built

Latimer’s most important contribution to electric lighting was the carbon filament, which improved the durability and usability of incandescent lamps.

## Why the popular story is too small

Popular retellings often flatten electric light into a single heroic inventor, usually Thomas Edison. That version obscures the collaborative and technical work that made the system workable, including Latimer’s material improvements.

## Why the archive centers him

Latimer’s career shows Black authorship inside the machinery of American modernity: drafting, patent work, and invention. The record is especially important because Black technical labor was often absorbed into larger corporate and white-authored narratives.

## What his story corrects

Latimer’s life answers a familiar question with precision: he was not the sole inventor of the light bulb, and the archive does not claim that. It claims the stronger truth, that his carbon-filament work was part of what made electric light practical and thus historically decisive.

## Sources

1. Lewis Howard Latimer, U.S. Patent No. 247,097, issued September 20, 1881, for an electric lamp filament improvement.
2. Louis H. Latimer, Incandescent Electric Lighting: A Practical Description of the Edison System, D. Van Nostrand Company, 1890.

## Related records

- https://www.blacksencyclopedia.com/record/light-bulb
- https://www.blacksencyclopedia.com/record/thomas-edison
- https://www.blacksencyclopedia.com/record/carbon-filament
- https://www.blacksencyclopedia.com/record/granville-t-woods

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Cite as: Black's Encyclopedia, "Lewis Howard Latimer," revised July 24, 2026. https://www.blacksencyclopedia.com/record/lewis-howard-latimer-61a6

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