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Dmitri Mendeleev was a Russian chemist and inventor. He formulated the Periodic Law, created his own version of the periodic table of elements, and used it to correct the properties of some already discovered elements and also to predict the properties of eight elements yet to be discovered. Mendeleev was born in the village of Verkhnie Aremzyani, near Tobolsk in Siberia, to Ivan Pavlovich Mendeleev and Maria Dmitrievna Mendeleeva. His grandfather was Pavel Maximovich Sokolov, a priest of the Russian Orthodox Church from the Tver region. Ivan, along with his brothers and sisters, obtained new family names while attending the theological seminary. Mendeleev was raised as an Orthodox Christian, his mother encouraging him to "patiently search divine and scientific truth". His son would later inform that he departed from the Church and embraced a form of deism. Mendeleev is thought to be the youngest of either 11, 13, 14 or 17 siblings; the exact number differs among sources....