Franjo Hanaman (June 30, 1878 in Drenovci, Slavonia, Kingdom of Croatia-Slavonia, Austria-Hungary– January 23, 1941 in Zagreb, Kingdom of Yugoslavia - Croatia today) 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. They were granted the Hungarian Patent #34541 on December 13, 1904 on Budapest. His invention of tungsten filament was also applied in improving early diodes and triodes.
Alexander Just and Franjo Hanaman
Right an Just–Hanaman light-bulb, Budapest, 1906.
Franjo Hanaman was born to a Croatian family as a second child of father Gjuro Hanaman and Emilija Mandušić.