August Krogh

August Krogh
Undated portrait of Krogh
Born
Schack August Steenberg Krogh

(1874-11-15)15 November 1874
Grenaa, Denmark
Died13 September 1949(1949-09-13) (aged 74)
Copenhagen
Alma materUniversity of Copenhagen
Known forDiffusing capacity for carbon monoxide
Perfusion
Krogh model
Krogh length
Krogh's principle
SpouseMarie Krogh
ChildrenErik Viggo Krogh
Ellen Rigmor Krogh
Agnes Helga Krogh
Bodil Schmidt Nielsen
AwardsBaly Medal (1945)
Croonian Medal (1940)
Nobel Prize in Physiology or Medicine (1920)
Scientific career
FieldsZoophysiology
InstitutionsUniversity of Copenhagen
Thesis Frøernes Hud- og Lungerespiration  (1903)
Doctoral advisorChristian Bohr
Notable studentsKnut Schmidt-Nielsen
Hans Ussing
Torkel Weis-Fogh

Schack August Steenberg Krogh ForMemRS (15 November 1874 – 13 September 1949) was a Danish professor at the department of zoophysiology at the University of Copenhagen from 1916 to 1945. He contributed a number of fundamental discoveries within several fields of physiology, and is famous for developing Krogh's principle.

In 1920 August Krogh was awarded the Nobel Prize in Physiology or Medicine for the discovery of the mechanism of regulation of the capillaries in skeletal muscle. Krogh was first to describe the adaptation of blood perfusion in muscle and other organs according to demands through opening and closing the arterioles and capillaries.

Besides his contributions to medicine, Krogh was also one of the founders of what is today the Novo Nordisk company.