Franjo Hanaman

Franjo Hanaman (seated) and Alexander Just

Franjo Hanaman (June 30, 1878 – January 23, 1941) was a Croatian inventor, engineer, and chemist, who gained world recognition for inventing the world's first applied electric light-bulb with a metal filament (tungsten) with his assistant Alexander Just, independently of his contemporaries.

Franjo Hanaman was born in the village of Drenovci in Slavonia (at the time Kingdom of Croatia-Slavonia, Austria-Hungary) to a Croatian family as a second child of father Gjuro Hanaman and Emilija Mandušić.[1]

Hanaman and Just were granted the Hungarian Patent #34541 on December 13, 1904 in Budapest.[2] His invention of tungsten filament was also applied in improving early diodes and triodes.

Right an Just–Hanaman light-bulb, Budapest, 1906.

He died in Zagreb (at the time Kingdom of Yugoslavia).

References

  1. ^ Moser, Josip (January 2002). "Franjo Hanaman i njegovo djelo" (PDF). HEP Vjesnik (in Croatian) (132). Hrvatska elektroprivreda: 11–13. Archived from the original (PDF) on 2014-07-14. Retrieved 2014-07-06.
  2. ^ "Text of Patent" (PDF) (in Hungarian). December 13, 1904. Retrieved 2009-01-04.

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