Birthdate: April 24, 1817
Sun Sign: Taurus
Birthplace: Geneva, Switzerland
Died: April 15, 1894
Jean Charles Galissard de Marignac was a Swiss chemist acclaimed for his advancements in inorganic chemistry. His contributions include significant progress in the study of atomic weights, identification of isotopes, and packing fraction of nuclei. Through his work with rare earth elements, Marignac discovered ytterbium and co-discovered gadolinium. He also conducted meticulous research on the isomorphism of fluostannates and fluosilicates, as well as the separation of niobium and tantalum. Additionally, his studies in physical chemistry encompassed investigations into thermal effects, variations in specific heat, and phenomena of liquid diffusion.
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