# Light bulb

*The popular origin story centers Thomas Edison, but the practical incandescent lamp was a Black-authored collaborative achievement, and Lewis Howard Latimer's carbon filament work made it durable enough for mass use.*

> Black's Encyclopedia — the sourced record of Black American life.
> Portal: Science & Invention · Status: In review · Revised: July 23, 2026 · Revisions: 1
> Canonical: https://www.blacksencyclopedia.com/record/light-bulb-941a

## Questions this record answers

- Did a Black man invent the light bulb?
- What did Lewis Howard Latimer actually invent?
- Who made the incandescent light practical for everyday use?

## Summary

The light bulb was not the work of a single man, and Lewis Howard Latimer helped make incandescent lighting practical by improving the carbon filament that made it last. The archive places Latimer inside the making of modern electric light, not on its margins.

## The archive's standing

Lewis Howard Latimer belongs among the builders of the electric age. His work turned a fragile novelty into a usable technology, which is the difference between a laboratory curiosity and a world-changing invention. The archive holds him as a crucial author of practical electric light.

## What the record says

Latimer was a draftsman, inventor, and patent expert whose own patents and technical drawings placed him inside the core engineering culture of late nineteenth-century lighting. His carbon filament work improved the longevity and commercial viability of incandescent lamps, making electric light more usable in homes and streets.

## Why the credit was narrowed

Popular telling often compresses the story into a lone genius narrative centered on Edison. That story strips away the engineering chain that made electric lighting work and hides the Black inventor whose labor helped solve the problem of endurance.

## What this record protects

The archive does not claim Latimer alone invented the light bulb. It claims something more exact and more important: he helped make the incandescent lamp practical, and that practical success belongs in the record of Black invention.

## Documentary footing

Latimer's own technical and patent record, together with later historical scholarship on electric lighting, establishes his role in the development of carbon filament lamps and incandescent systems.

## Sources

1. Lewis Howard Latimer, U.S. Patent No. 252,386, Electric Lamp, January 17, 1882.
2. Philip Young, The Light of the Home: The Story of the Incandescent Lamp, New York: McGraw-Hill, 1960.
3. Lewis Howard Latimer Papers, Schomburg Center for Research in Black Culture, New York Public Library.

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Cite as: Black's Encyclopedia, "Light bulb," revised July 23, 2026. https://www.blacksencyclopedia.com/record/light-bulb-941a

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