- Mint: Greek Mint
- Denomination: €2
- Quality: UNC
- Issue limit: 745,500
- Alloy: Base Metal
- Diameter: 25.75 mm
- Weight: 8.5 grams
- Design: George Stamatopoulos/Luc Luycx
- UNC version delivered in plastic baggie
Constantin Carathéodory (1873-1950) was one of the most important mathematicians of the 20th century.
He published most of his works in German and was highly esteemed by great scientists, such as Einstein and Max Planck.