Collier's New Encyclopedia (1921)/Mendeleef, Dmitri Ivanovitch

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MENDELEEF, DMITRI IVANOVITCH (men-del-ē′ef), a Russian chemist; born in Tobolsk, Siberia, Feb. 7, 1834. He studied at St. Petersburg, and, after having taught at Simferopol, Odessa, and St. Petersburg, became Professor of Chemistry in the University of St. Petersburg in 1866. He enriched every section of chemical science, but is especially distinguished for his contributions to physical chemistry and chemical philosophy. He died in 1907.