https://materialsatextremes.com/2026/04/22/prof-gerhard-sperl-a-lifetime-connecting-metallurgys-past-and-present/Materials at Extremesen2026-04-22T14:56:43+00:00Prof. Gerhard Sperl: a lifetime connecting metallurgy’s past and presentmaterials at extremes, Leoben, metallography, Alpine metallurgy, Erich Schmid Institut, archaeometallurgy, slag analysis, copper smelting, iron production history, iron road, ancient metals, materials science history, historical metallurgy, mining heritage, Etruscan metalwork, montanhistory, bronze age copper, Austrian Academy of Sciences, Ötzi icemanhttps://materialsatextremes.com/wp-content/uploads/2026/04/4014917_xxl.jpg?w=150