Georges Urbain (1872-1938) French chemist who did early research on Rare Earth elements &c.
bronze Art Deco plaque medal
by N Aronson
Naoum Aronson (Russian 1872-1943) edge marked BRONZE and a triangular French makers mark
Bronze 79.5 x 59.5 mm
Georges Urbain (1872-1938) was a French chemist, painter, sculptor, musician, and composer, academician of science, and discoverer of lutetium one of the “Rare Earth ” elements as well as Celtium now known as Hafnium
