Paul-Émile Lecoq de Boisbaudran
Paul-Émile Lecoq de Boisbaudran

Paul-Émile Lecoq de Boisbaudran
1838 AD - 1912 AD
AKA François Lecoq de Boisbaudran

French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. He developed methods for separation and purification of the rare earth elements and was one of the pioneers of the science of spectroscopy.

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