The 150th Anniversary of the Birth of K.A. Timiryazev
Obverse
in the center — the Emblem of the Bank of Russia (the two-headed eagle designed by I.Bilibin), under it to the right - the mint trademark. The inscriptions along the rim framed by a circle of dots: at the top — «ОДИН РУБЛЬ 1993 г.» (ONE RUBLE 1993), at the bottom — «БАНК РОССИИ» (BANK OF RUSSIA).
Reverse
a portrait of K.A.Timiryazev, to the left - a plant in the glass flask, below - the date "1843", to the right - the date "1920", the inscription along the rim - "К.А.ТИМИМРЯЗЕВ" (K.A. TIMIRYAZEV)
Authors
The artist: A.A. Kolodkin
The sculptor: V.M. Kharlamov
Moscow Mint (ММД)
The edge: two incised inscriptions "ОДИН РУБЛЬ" (ONE RUBLE), separated by two dots.
Kliment Arkadievich Timiryazev (1843-1920) - a Russian scientist, Professor of the Petrovskaya Agricultural and Forestry Academy (at present Moscow Agricultural Academy), Professor of Moscow University, honorary Member of major foreign universities and scientific societies. He successfuly proved both theoretically and experimentally the phenomenon of photo-synthesis in plants and influenced considerably the present-day understanding of biological basis of practical agronomy.