Herbert Grötzsch

Herbert Grötzsch
Herbert Grötzsch (right) on his 86th birthday in Halle, with Horst Tietz
Born(1902-05-21)21 May 1902
Döbeln, German Empire
Died15 May 1993(1993-05-15) (aged 90)
Halle, Germany
NationalityGerman
Alma materUniversity of Leipzig
University of Jena
Known forGrötzsch graph
Grötzsch's theorem
quasiconformal mapping
Scientific career
FieldsMathematics
InstitutionsJustus Liebig University Giessen
Philipps University of Marburg
Martin Luther University Halle-Wittenberg
Academic advisorsPaul Koebe
Notable studentsHorst Sachs

Camillo Herbert Grötzsch (21 May 1902 – 15 May 1993) was a German mathematician known primarily for his work on complex analysis, specifically univalent functions and conformal mappings, and graph theory. He was the first to introduce the concept of a quasiconformal mapping. He was the discoverer and eponym of the Grötzsch graph, a triangle-free graph that requires four colors in any graph coloring, and Grötzsch's theorem, the result that every triangle-free planar graph requires at most three colors.