Franjo Hannaman

Franjo Hanaman (June 30, 1878 in Drenovci near Županja, Austria-Hungary – January 23, 1941 in Zagreb, Kingdom of Yugoslavia - Croatia today).

Franjo Hanaman was born in Croatian family as a second child of father Gjuro Hanaman and Emilija Mandušić. [ [http://www.hep.hr/hep/publikacije/vjesnik/132.pdf FRANJO HANAMAN I NJEGOVO DJELO] ] He 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 Aleksandar Just, independently of his contemporaries. They were granted the Hungarian Patent #34541 on December 13, 1904 on Budapest. [http://www.mszh.hu/anim/HU-34541.pdf] His invention of tungsten filament was also applied in improoving early diodes and triodes.

References