# Félix Édouard Justin Émile Borel

**Émile Borel** (

1871-

1956) was a

French mathematician. Along with René Baire and

Henri Lebesgue, he was among the pioneers of

measure theory and its application to

probability theory. The concept of a

Borel set is named in his honor. One of his books on probability introduced the amusing

thought experiment that entered popular culture under the name

infinite monkey theorem or the like. He also published a number of research papers on

game theory. In the

1920s,

1930s, and

1940s he was active in politics, and during the

Second World War he was a member of the Resistance.

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