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D.I.MENDELEYEV (1834-1907)
D.I.Mendeleyev, the explorer of nature, is the greatest chemist of the world. The Mendeleyev system
has served for almost 100 years as a key to discovering new elements and it has retained its capacity until now.
D.I.Mendeleyev was the fourteenth, and last child of the Director of the Gymnasium at Tobolsk. At 16
he was taken by his mother to St. Petersburg to seek higher education. He entered the Pedagogical Institute where his father had also studied. In 1856 he took a degree in chemistry and in 1859 he was sent
abroad for two years for further training. He returned to St. Petersburg in 1861 as Professor of Chemistry.
In 1868 Mendeleyev began to write a great textbook of chemistry, known in its English translation as
the “Principles of Chemistry”.

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