Clark Kimberling

Clark Kimberling (born November 7, 1942, in Hinsdale, Illinois) is a mathematician, musician, and composer.

His research interests include triangle centers, integer sequences, and hymnology.

Kimberling received his PhD in mathematics in 1970 from the Illinois Institute of Technology, under the supervision of Abe Sklar.

In its current on-line form, the Encyclopedia of Triangle Centers, this list comprises tens of thousands of entries.

Kimberling has proposed that Schoen's definition of golden triangle be extended to include triangles which have angles that are in the golden ratio.

Example of a triangle that has angles in golden ratio ( Phi to 1).