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Birthdate
Dmitry Mendeleyev was born in 1834 in Russia. -
yong age
when dmitry mendeleyev was yong he was working at places to help is family -
study
He studied science at St. Petersburg and graduated in 1856. -
univers
In 1863 Mendeleev was appointed to a professorship and in succeeded to the Chair in the University. -
work
On February 14, 1869, Mendeleev began work on the chapter that would discuss the elements. He already believed that there was some underlying principle connecting the elements.