**Extreme value theory**is a branch of statistics dealing with the extreme deviations from the mean of probability distributions. Extreme value theory is important for assessing risk for highly unusual events, such as 100-year floods.

Applications of extreme value theory:

**History of extreme value theory**

Founded by the German mathematician, pacifist, and anti-Nazi campaigner Emil Julius Gumbel who described the Gumbel distribution in the 1950s.

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- Gumbel, E.J.(1958). Statistics of Extremes. Columbia University Press.

## External links

- Easy non-mathematical introduction
- Extreme value theory group at Chalmers University
- The Extreme Value Approach to VaR ? An Introduction
- Extreme Value Theory for Tail-Related Risk Measures
- Extreme value theory an empirical analysis of equity risk
- http://www.itl.nist.gov/div898/handbook/apr/section1/apr163.htm