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Richards, Theodore William

(Encyclopedia) Richards, Theodore William, 1868–1928, American chemist, b. Germantown, Pa., Ph.D. Harvard, 1888. Richards was a professor at Harvard from 1891 until his death in 1928. In 1914 he…

Döbereiner, Johann Wolfgang

(Encyclopedia) Döbereiner, Johann WolfgangDöbereiner, Johann Wolfgangyōˈhän vôlfˈgäng döˈbərīnər [key], 1780–1849, German chemist. From 1810 he was professor of the Univ. of Jena. He is known…

Eminescu, Mihail

(Encyclopedia) Eminescu, MihailEminescu, Mihailmēhäēlˈ yĕmēnĕˈsk&oobreve; [key], 1850–89, Romanian poet. Eminescu is considered the foremost Romanian poet of his century. His poems, lyrical,…

Villahermosa

(Encyclopedia) VillahermosaVillahermosavēˌyäārmōˈsä [key], city (1990 pop. 261,321), capital of Tabasco state, SE Mexico, on the Grijalva River. The city, which has good communications facilities, is…

mendelevium

(Encyclopedia) mendeleviummendeleviummĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr.…

scandium

(Encyclopedia) scandiumscandiumskănˈdēəm [key], metallic chemical element; symbol Sc; at. no. 21; at. wt. 44.95591; m.p. 1,541℃; b.p. 2,831℃; sp. gr. 2.99 at 20℃; valence +3. Scandium is a soft…

Newlands, John Alexander Reina

(Encyclopedia) Newlands, John Alexander Reina, 1838–98, British chemist. He studied at the Royal College of Chemistry in London and worked as an industrial chemist. Newlands prepared the first…

József, Attila

(Encyclopedia) József, AttilaJózsef, Attilaäˈtĭlä yōˈzhĕf [key], 1905–37, Hungarian poet. Born in Budapest of a poor family, József had to support himself from the age of seven with menial jobs; he…

Rydberg, Johannes Robert

(Encyclopedia) Rydberg, Johannes RobertRydberg, Johannes Roberty&oomacr;ˈhänəs rôˈbərt rüdˈbĕryə [key], 1854–1919, Swedish physicist. Rydberg was a professor at Lund from 1901 to 1919. He is best…

Hevesy, Georg von

(Encyclopedia) Hevesy, Georg vonHevesy, Georg vongāˈôrkh fən hĕˈvĕshē [key], 1885–1966, Hungarian physicist and chemist. He received the 1943 Nobel Prize in Chemistry for his work on the use of…