Cahit Arf (1910 - 1997)

Turkish mathematician best known for the Arf invariant of a quadratic form in topology. Also known for Arf semigroups, Arf rings, and the Hasse-Arf theorem in ramification theory.

Paper Money

Obverse Reverse Description
Turkey, 10 Lira, 2009
Cahit Arf is on the reverse