de Marignac, Jean Charles Galissard (1817-1894)
de Marignac, Jean Charles Galissar
Born: Geneva (Switzerland), 1817
Died: Geneva (Switzerland), 1894
Marignac studied in Paris under Dumas and in Giessen at the laboratory of Liebig. In 1841 he became professor at the University of Geneva. He determined atomic weights and worked with rare earths. He his given credit for the discovery of ytterbium and gadolinium.