# Lewis Howard Latimer

*Black inventor, draftsman, and engineer whose carbon filament made electric light practical.*

> Black's Encyclopedia — the sourced record of Black American life.
> Portal: Science & Invention · Status: In review · Revised: July 22, 2026 · Revisions: 1
> Canonical: https://www.blacksencyclopedia.com/record/lewis-howard-latimer

## Questions this record answers

- Did a Black man invent the light bulb?
- What did Lewis Latimer really do for electric light?
- Why is Lewis Latimer essential to the story of electric lighting?

## Summary

Lewis Howard Latimer did not invent the light bulb, but he made electric light practical by improving the carbon filament. His work belongs at the center of the electric age because it helped turn a fragile novelty into a usable technology.

## The archive's standing

Latimer was a maker of the first rank: inventor, draftsman, engineer, and interpreter of complex systems. The archive holds him as one of the indispensable Black authors of industrial modernity, a man whose technical skill altered what electric light could become. He belongs in the record not as a substitute for others, but as a necessary part of the invention itself.

## The work

Latimer’s carbon filament patent improved the durability and commercial usefulness of incandescent lighting. He also worked as a draftsman and technical specialist in the expanding electrical industry, where design, measurement, and communication were as critical as the original idea.

## Why the standard record falls short

Popular retellings often collapse the history of electric light into a single heroic inventor. That version erases the engineers and specialists whose labor made the technology workable, marketable, and durable.

## The archive’s position

Latimer’s authorship is evident in the practical shape of electric light, not merely in the paper trail left by ownership. The record should name him as a Black inventor whose contributions changed the conditions of modern life.

## Sources

1. Lewis H. Latimer, U.S. Patent No. 252,386, Electric Lamp, filed Jan. 27, 1881, issued Jan. 17, 1882.
2. Helen M. Knapp, Lewis Latimer: The Man and His Legacy, New York: Chelsea House, 1995.

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Cite as: Black's Encyclopedia, "Lewis Howard Latimer," revised July 22, 2026. https://www.blacksencyclopedia.com/record/lewis-howard-latimer

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