László Bíró
Hungarian inventor (1899–1985)
Summary
Updated 2026-05-29
Hungarian-born inventor who made the ballpoint pen actually work—and profitable. Bíró's version, patented in the 1930s, beat out decades of failed prototypes to become the pen that stuck around.
Biography
About
László József Bíró, Hispanicized as Ladislao José Biro, was an Argentine, Hungary-born inventor who patented the first commercially successful modern ballpoint pen. The first ballpoint pen had been invented roughly 50 years earlier by John J. Loud, but it was not a commercial success.
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Score breakdown
The six component signals behind the Fame score, and their ranks across the leaderboards.
Fame
Stable15.3
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum1.8
Historical19.9
Source confidence60.0
Completeness60.0
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Category rank
#228
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Sources
- WikidataHigh confidencewikidata · wikidata.org
- WikipediaHigh confidencewikipedia · en.wikipedia.org
- Pantheon 2.0High confidencedatabase · pantheon.world
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