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
Electric light is an artificial light source powered by electricity.
Electric Light may also refer to:
* Light fixture, a decorative enclosure for an electric light source
* ''Electric Light'' (album), a 2018 album by James Bay
* Electric Light ( ...
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
Tungsten (also called wolfram) is a chemical element; it has symbol W and atomic number 74. It is a metal found naturally on Earth almost exclusively in compounds with other elements. It was identified as a distinct element in 1781 and first ...
) with his assistant
Alexander Just, independently of his contemporaries.
Franjo Hanaman was born in the village of
Drenovci in
Slavonia
Slavonia (; ) is, with Dalmatia, Croatia proper, and Istria County, Istria, one of the four Regions of Croatia, historical regions of Croatia. Located in the Pannonian Plain and taking up the east of the country, it roughly corresponds with f ...
(at the time
Kingdom of Croatia-Slavonia
The Kingdom of Croatia-Slavonia (; or ; ) was a nominally autonomous kingdom and constitutionally defined separate political nation within the Austro-Hungarian Empire. It was created in 1868 by merging the kingdoms of Kingdom of Croatia (Habs ...
,
Austria-Hungary
Austria-Hungary, also referred to as the Austro-Hungarian Empire, the Dual Monarchy or the Habsburg Monarchy, was a multi-national constitutional monarchy in Central Europe#Before World War I, Central Europe between 1867 and 1918. A military ...
) to a
Croatian family as a second child of father Gjuro Hanaman and Emilija Mandušić.
Hanaman and Just were granted the Hungarian Patent #34541 on December 13, 1904 in
Budapest
Budapest is the Capital city, capital and List of cities and towns of Hungary, most populous city of Hungary. It is the List of cities in the European Union by population within city limits, tenth-largest city in the European Union by popul ...
.
His invention of tungsten filament was also applied in improving early
diode
A diode is a two-Terminal (electronics), terminal electronic component that conducts electric current primarily in One-way traffic, one direction (asymmetric electrical conductance, conductance). It has low (ideally zero) Electrical resistance ...
s and
triode
A triode is an electronic amplifier, amplifying vacuum tube (or ''thermionic valve'' in British English) consisting of three electrodes inside an evacuated glass envelope: a heated Electrical filament, filament or cathode, a control grid, grid ...
s.
He died in
Zagreb
Zagreb ( ) is the capital (political), capital and List of cities and towns in Croatia#List of cities and towns, largest city of Croatia. It is in the Northern Croatia, north of the country, along the Sava river, at the southern slopes of the ...
(at the time
Kingdom of Yugoslavia
The Kingdom of Yugoslavia was a country in Southeast Europe, Southeast and Central Europe that existed from 1918 until 1941. From 1918 to 1929, it was officially called the Kingdom of Serbs, Croats, and Slovenes, but the term "Yugoslavia" () h ...
).
References
{{DEFAULTSORT:Hannaman, Franjo
1878 births
1941 deaths
People from Drenovci
Croatian inventors
Electrical engineers
Croatian chemists
Scientists from Austria-Hungary
Burials at Mirogoj Cemetery
Engineers from Zagreb
Inventors from Austria-Hungary