Mathematician:Gerhard Ringel

Mathematician

German mathematician who was one of the pioneers in the field of graph theory.

Nationality

German

History

• Born: October 28, 1919, Kollnbrunn, Austria
• Died: June 24, 2008, Santa Cruz, California

Theorems and Definitions

• Ringel-Youngs Theorem (with John William Theodore Youngs)

Publications

• 1990: Pearls in Graph Theory: A Comprehensive Introduction (with Nora Hartsfield)