Franjo Hanaman, inventor of contemporary classic light bulb with tungsten-tantalum alloy
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The first professor of metallurgy and chemical technology was Franjo Hanaman, a co-inventor of the tungsten filament for electric lamps.
Franjo Rački | Franjo Kuhač | Franjo Vladić | Franjo Hanaman | Franjo Krežma | Franjo Komarica | Franjo Kluz | Franjo Iveković | Franjo Gregurić | Franjo Arapović |