# Kari Karhunen

**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 | |
---|---|

Born | 1915 |

Died | 1992 |

Nationality | Finnish |

Known for | Karhunen–Loève theorem |

Scientific career | |

Fields | Mathematics |

Institutions | University of Helsinki |

Doctoral advisor | Rolf 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

## ReferencesEdit

**^**K. Karhunen, Kari,*Über lineare Methoden in der Wahrscheinlichkeitsrechnung*, Ann. Acad. Sci. Fennicae. Ser. A. I. Math.-Phys., 1947, No. 37, 1–79**^**Kari Karhunen at the Mathematics Genealogy Project**^**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