Dmitri Mendeleev

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Dmitri Mendeleev (born Dmitriy Ivanovich Mendeleyev, February 8 {O.S. January 27) 1834 in Tobolsk – February 2 (O.S. January 20) 1907 in Saint Petersburg) was a Russian chemist. He is said to be the main creator of the first version of the periodic table of elements. Many of the predictions made in his periodic table (such as the properties of elements undiscovered at the time) were later proved correct by experiments. It was said that Mendeleev liked to play Patience, a solitaire card game, so he had practice in seeing patterns. He tried arranging his cards on the elements in various ways. In return, the first Periodic Table of Elements was set up like a card game.