Georges Urbain (12 April 1872 – 5 November 1938) was a French chemist, a professor of the Sorbonne, a member of the Institut de France, and director of...

French biologist Georges Urbain (1872–1938), French chemist Ismael Urbain (1812–1884), French journalist and interpreter Jacques Urbain, Belgian scientist...

Lutetium was independently discovered in 1907 by French scientist Georges Urbain, Austrian mineralogist Baron Carl Auer von Welsbach, and American chemist...

from which the element "lutecium" (now lutetium) was extracted by Georges Urbain, Carl Auer von Welsbach, and Charles James. After some discussion, Marignac's...

Gabriel Urbain Fauré (12 May 1845 – 4 November 1924) was a French composer, organist, pianist and teacher. He was one of the foremost French composers...

Chemistry. During World War I he studied chemical warfare agents with Georges Urbain at Sorbonne University, particularly the manufacture of phosgene and...

James Crafts in 1877, and attempted to make synthetic diamonds. His son Georges Friedel (1865–1933) also became a renowned mineralogist. Friedel's wife's...

Gustaf Mosander in 1843, and first obtained in pure form in 1905 by Georges Urbain and Charles James. It has a cubic structure resembling the bixbyite...

host Georges Touquet-Daunis, French athlete Georges Troisfontaines, Belgian writer and publisher Georges Turcot, Canadian politician Georges Urbain, French...

properties), and Bohr was immediately challenged by the French chemist Georges Urbain, who claimed to have discovered a rare-earth element 72, which he called...

Urbain Cancelier (born 2 August 1959) is a French comedian and actor, primarily known for his collaborations with French film director Jean-Pierre Jeunet...

jubilee. He assigned it the symbol Vc. By 1905, however, French chemist Georges Urbain had proven that victorium was not a distinct element but rather an impurity...

elements. Bohr's theory was vindicated by the discovery of element 72: Georges Urbain claimed to have discovered it as the rare earth element celtium, but...

its separation from gadolinite and gave it the present name, rhenium. Georges Urbain claimed to have found element 72 in rare-earth residues, while Vladimir...

I in 1915, years before hafnium was discovered. Hence, the claim of Georges Urbain that he had discovered element 72 was untrue. Hafnium is an element...

Georges Claude (5°), founder of Air Liquide Paul Langevin (7°), professor at the Collège de France, member of the French Academy of Sciences Georges Urbain...

Among other notable scientists who have served on the Commission were Georges Urbain (discoverer of lutetium, though priority was disputed with Carl Auer...

called ytterbium (but actually, there were two new elements). In 1907, Georges Urbain isolated element 70 and element 71 from ytterbia. He called element...

the gap in the periodic table for the then-undiscovered element 72. Georges Urbain asserted that he found element 72 in the rare earth elements in 1907...

three scientists at around the same time in 1907: French scientist Georges Urbain, Austrian Auer von Welsbach, and American Charles James. All three were...

Curie eventually arranged for it to be given to rare earths researcher Georges Urbain. Spectres électriques. Atlas ; Eugène Demarçay ; Paris : Gauthier-Villars...

French astronomer. In 1862, Urbain Le Verrier offered him a post as assistant at the Paris Observatory. In 1867 he and Georges Rayet discovered Wolf–Rayet...

7429-91-6 History Discovery Lecoq de Boisbaudran (1886) First isolation Georges Urbain (1905) Isotopes of dysprosium v e  Category: Dysprosium view talk edit...

Lutetium was independently discovered in 1907 by French scientist Georges Urbain, Austrian mineralogist Baron Carl Auer von Welsbach, and American chemist...

group bonds. Hermann Staudinger prepares the first synthetic β-lactam. Georges Urbain discovers Lutetium (from Lutetia, the ancient name of Paris). January...

Ismael Urbain, also Ismayl Urbain (born Thomas Urbain, 31 December 1812 – 28 January 1884) was a French journalist and interpreter. Born in Cayenne, French...

element with atomic number 72. This spurred chemists to look for it. Georges Urbain asserted that he found element 72 in the rare earth elements in 1907...

Marignac's ytterbia also proved to be a composite. In 1907, French scientist Georges Urbain, Austrian mineralogist Baron Carl Auer von Welsbach, and American chemist...

University. 1907: Lutetium discovered independently by French scientist Georges Urbain and by Austrian mineralogist Baron Carl Auer von Welsbach. 1907: Hilbert...

University Press. ISBN 9780198146872. Retrieved 26 January 2018. Sarton, George (1927–1948). Introduction to the History of Science. Vol. I–III. Baltimore:...