Portuguese Carl Auer von Welsbach Cited by user Cadnero on 02 Sep 2021 Carl Auer von Welsbach (Viena, 1 de setembro de 1858 — Mölbling, Caríntia, 4 de agosto de 1929) foi um químico e empresário industrial austríaco, fundador da Treibacher…
English Carl Auer von Welsbach Cited by user Mary Mark Ockerbloom on 19 Dec 2019 Carl Auer von Welsbach, also known as Carl Auer, Freiherr von Welsbach (1 September 1858 – 4 August 1929) was an Austrian scientist and inventor, who had a talent not…