Gerhard Ringel

Gerhard Ringel (October 28, 1919 in Kollnbrunn, Austria – June 24, 2008 in Santa Cruz, California) was a German mathematician.

[1] He earned his PhD from the University of Bonn in 1951 with a thesis written under the supervision of Emanuel Sperner and Ernst Peschl.

[2] Ringel started his academic career as professor at the Free University Berlin.

In 1970 he left Germany due to bureaucratic consequences of the German student movement, and continued his career at the University of California, Santa Cruz, having been invited there by his coauthor, John W. T. (Ted) Youngs.

He was awarded honorary doctorate degrees from the Karlsruhe Institute of Technology and the Free University of Berlin.