Scientist-encyclopaedist D.I. Mendeleyev - the 175th Anniversary of the Birthday

Obverse

in the centre - the emblem of the Bank of Russia [the two-headed eagle with wings down, under it - the semicircular inscription "БАНК РОССИИ" (BANK OF RUSSIA)] framed by a circle of dots and inscriptions along the rim - on top: "ДВА РУБЛЯ" (TWO RUBLES), below: to the left - indications of the precious metal and its fineness, in the centre - the year of issue "2009 г." (2009), to the right - the fine metal content and the mint trade mark.

Reverse

to the left - a fragment of Mendeleyev's Periodic System of Elements, to the right on the matted field - portrait of the scientist, under it - his facsimile signature, below - dates "1834-1907".

Authors

The artists: S.A. Kozlov.
The sculptors: V.M. Erokhin.
Mint: Moscow Mint (MМД).
The edge: 195 corrugations.

Dmitry Ivanovich Mendeleyev (b.1834, d.1907) - chemist, scientist-encyclopaedist, corresponding member of the Petersburg Academy of Sciences (1876), organizer and the first director of Central Board of Weights and Measures (1893). In 1869 he discovered one of the base natural lows - the Periodic Low of Chemical Elements. He has left over 500 scientific works. The 101th chemical element - mendelevium bears his name.