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.
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