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30/06/2026

148th anniversary of Franjo Hanamans’s birth and 120 years of his inventing the modern tungsten filament light bulb

In the year in which we celebrate the 35th anniversary of SIPO, we remember the Croatian inventor Franjo Hanaman, whose invention left an indelible mark on the development of electric lighting. Franjo Hanaman was born in 1878, in Drenovci near Županja. During his education, he developed a special interest in chemistry, which he studied at the Technical University in Vienna.

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