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 An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic, which secures the lamp in the soc ...

with a metal

filament The word filament, which is descended from Latin ''filum'' meaning " thread", is used in English for a variety of thread-like structures, including: Astronomy * Galaxy filament, the largest known cosmic structures in the universe * Solar filament ...

( tungsten) with his assistant

Alexander Just Alexander Friedrich Just (12 April 1874, in Bremen – 30 May 1937, in Budapest) was an Austro-Hungarian chemist and inventor. Later, in Hungary he used the name Just Sándor Frigyes. In 1904 with Austro-Hungarian Franjo Hanaman he was the firs ...

, independently of his contemporaries. Franjo Hanaman was born in the village of Drenovci in Slavonia (at the time

Kingdom of Croatia-Slavonia The Kingdom of Croatia-Slavonia ( hr, Kraljevina Hrvatska i Slavonija; hu, Horvát-Szlavónország or ; de-AT, Königreich Kroatien und Slawonien) was a nominally autonomous kingdom and constitutionally defined separate political nation with ...

, Austria-Hungary) to a Croatian family as a second child of father Gjuro Hanaman and Emilija Mandušić. Just and Hanaman were granted the Hungarian Patent #34541 on December 13, 1904 in Budapest. His invention of tungsten filament was also applied in improving early

diode A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other. A diode ...

s and triodes. Izzólámpák

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

References

{{DEFAULTSORT:Hannaman, Franjo 1878 births 1941 deaths People from Drenovci Croatian inventors Electrical engineers Croatian chemists Austro-Hungarian scientists Burials at Mirogoj Cemetery Engineers from Zagreb