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=Dmitri Mendeleev=

Dmitri Meneleev was born February 7,1834 in Tobolsk Siberia. He died on February 2, 1907. He is a Russian Chemist, Meneleev studied science at St. petersburg and graduated in 1856, then he was appointed to a professorship and in 1866 he succeeded to the chair in the University. He is known for inventing the periodic table of chemical elements, and arranging the 63 known elements.He published the first table in 1869. In 1890 he resigned his professorship and in 1893 became director of the bureau of weights and measures in St. Petersburg, where he remained until his death in 1907. Dmitri Meneleev is also the last of 14 children. In 1887 Dmitri made a solo ascent in a hot air balloon. In 1955 the element Mendelevian (element 101) was named to honor him.



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