Greece 2023 150th Anniversary of birth of Constantin Caratheodory

Constantin Carathéodory (1873–1950) was a Greek mathematician who spent most of his professional career in Germany. He made significant contributions to real and complex analysis, the calculus of variations, and measure theory. He also created an axiomatic formulation of thermodynamics. Carathéodory is considered one of the greatest mathematicians of his era and the most renowned Greek mathematician since antiquity.

Weight - 8.5 g.
Quality - UNC (Uncirculated)
Diameter - 25.75 mm.
Composition Bimetallic - nickel brass clad nickel center in copper-nickel ring
Circulation - 741'000 pcs.
Country of origin - Greece
Year of release - 2023