František "Franz" Wald (9 January 1861 – 19 October 1931) was a Czech professor of chemistry who contributed to metallurgy, analytical and physical chemistry. He questioned atomic and molecular approaches to understanding chemical phenomena. Wald was born at Brandýsek, near Slaný, where his father, originally from Chemnitz, Germany, was a foreman of a workshop of the Austrian Railways. His mother was from Karlsbad. Wald went to school at Kladno and received a grant from the Austrian State Railways to study at Prague. Although German adopted a Czech nationality. He worked at the laboratory of P
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