# Mathematician:Leonard Jimmie Savage

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## Mathematician

American mathematician who worked on metric and differential geometry, calculus of variations and statistics.

## Nationality

American

## History

- Born: 20 November 1917 in Detroit, Michigan, USA
- Died: 1 November 1971 in New Haven, Connecticut, USA

## Theorems and Definitions

- Friedman-Savage Utility Function (with Milton Friedman)
- Hewitt-Savage Zero-One Law (with Edwin Hewitt)

Results named for **Leonard Jimmie Savage** can be found here.

Definitions of concepts named for **Leonard Jimmie Savage** can be found here.

## Publications

- 1941:
*The Application of Vectorial Methods to the Study of Distance Spaces* - 1943:
*On the Crossing of Extremals at Focal Points* - 1948:
*The Utility Analysis of Choices Involving Risk*(with Milton Friedman) - 1949:
*Application of the Radon-Nikodym Theorem to the Theory of Sufficient Statistics*(with Paul Halmos) - 1953:
*Three Short Papers on Game Theory that involve Chance and the Skill of the Players*(*Econometrica***Vol. 21**: pp. 97 – 117), translations of:- 1953: Émile Borel:
*The Theory of Play and Integral Equations with Skew Symmetric Kernels*(*Econometrica***Vol. 21**: pp. 97 – 100) - 1953: Émile Borel:
*On Games that Involve Chance and the Skill of the Players*(*Econometrica***Vol. 21**: pp. 101 – 115) - 1953: Émile Borel:
*On Systems of Linear Forms of Skew Symmetric Determinant and the General Theory of Play*(*Econometrica***Vol. 21**: pp. 116 – 117)

- 1953: Émile Borel:

- 1965:
*How to gamble if you must: Inequalities for Stochastic Processes*(with Lester Dubin) - 1970:
*On rereading R A Fisher*

## Also known as

Originally given the name **Leonard Ogashevitz**, but because of his mother's illness was given the name **Jimmie** by a nurse at the hospital. Consequently adopted the name.

His father changed his surname from **Ogashevitz** to **Savage** in $1920$. **Leonard Ogashevitz** adopted the name **Leonard Jimmie Savage** when involved in classified war-work.