Which Happened First?

László Bíró

László Bíró
Image: Unknown authorUnknown author · Public domain · source

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.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. Leó SzilárdFebruary 11, 1898 – May 30, 1964
  2. Fritz von OpelMay 4, 1899 – April 8, 1971
  3. László Bíró (this page)September 29, 1899 – October 24, 1985
  4. Lev KuleshovJanuary 1, 1899 – March 1970
  5. Dennis GaborJune 5, 1900 – February 8, 1979
  6. George AntheilJuly 8, 1900 – February 12, 1959

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