Kari Karhunen

Kari Karhunen
Born	1915
Died	1992
Nationality	Finnish
Fields	Mathematics
Institutions	University of Helsinki
Doctoral advisor	Rolf Nevanlinna
Known for	Karhunen–Loève theorem

Kari Karhunen (1915–1992) was a probabilist and a mathematical statistician, of Finnish origin. He is best known for the Karhunen–Loève theorem and Karhunen–Loève transform.

Karhunen got his doctorate in 1947 from University of Helsinki, Finland. The topic of his thesis was (in German) Über lineare Methoden in der Wahrscheinlichkeitsrechnung, in English On linear methods in probability and statistics. The advisor of his thesis was the mathematician Rolf Nevanlinna.

Karhunen worked as a lecturer at the University of Helsinki before leaving the academic world to be employed by the insurance corporation Suomi, becoming CEO of the company in 1963.

Karhunen served in 1955 on the Finnish Committee for Mathematical Machines, which developed the first Finnish computer ESKO.

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