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

Kari Karhunen
Known forKarhunen–Loève theorem
Scientific career
InstitutionsUniversity of Helsinki
Doctoral advisorRolf Nevanlinna

Karhunen received his doctorate in 1947 from the University of Helsinki. The topic of his thesis was (in German) Über lineare Methoden in der Wahrscheinlichkeitsrechnung,[1] in English On linear methods in probability and statistics. The advisor of his thesis was the mathematician Rolf Nevanlinna.[2]

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.[citation needed]

Karhunen served in 1955 on the Finnish Committee for Mathematical Machines, which developed the first Finnish computer ESKO.[3]

See alsoEdit


  1. ^ K. Karhunen, Kari, Über lineare Methoden in der Wahrscheinlichkeitsrechnung, Ann. Acad. Sci. Fennicae. Ser. A. I. Math.-Phys., 1947, No. 37, 1–79
  2. ^ Kari Karhunen at the Mathematics Genealogy Project
  3. ^ Paju, Petri (2005), "A Failure Revisited: The First Computer Construction Project and the Establishing of a National Computing Center in Finland" (PDF), in Janis Bubenko; John Impagliazzo (eds.), History of Nordic Computing, International Federation for Information Processing, #174, 174, Heidelberg: Springer Verlag, pp. 79–94, doi:10.1007/0-387-24168-X_7, ISBN 0387241671