ProofWiki:Mathematicians/Maurice Kraitchik
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Belgian mathematician and writer who wrote on number theory and recreational mathematics.
Proved in 1922 that the Mersenne number $M_{257}$ is composite, contrary to the claims of Marin Mersenne.
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Nationality
Belgian
History
- Born: April 21, 1882, Minsk, Russian Empire (now Belarus)
- 1910: Graduated from the University of Liège
- 1923: Graduated from the Université Libre de Bruxelles
- 1931 - 1939: Editor of Sphinx
- Between 1939 and 1945: Emigrated to the United States, started teaching at the New School for Social Research in New York City
- Died: August 19, 1957, Brussels, Belgium
Achievements
- 1922: Proved that the Mersenne number $M_{257}$ is composite.
- 1953: Inspired the Two Envelopes Problem.
Books, Publications, etc.
- 1922: Théorie des Nombres
- 1924: Recherches sur la Théorie des Nombres
- 1930: La Mathématique des Jeux ou Récréations Mathématiques
- 1942: Mathematical Recreations
- 1944: Alignment Charts
