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Hadamard, Jacques

Born: 1865 AD
Died: 1963 AD
Nationality: French
Categories: Mathematicians

1865 – Born on the 8th of December.

         – Hadamard studied at the École Normale Supérieure under the direction of Charles Émile Picard.

         – He introduced the idea of well-posed problem in the theory of partial differential equations.

         – He also gave his name to the Hadamard inequality on volumes, and the Hadamard matrix, on which the Hadamard transform is based.

         – His students included Maurice Fréchet, Paul Lévy, Szolem Mandelbrojt and André Weil.

1896 – His proof of the prime number theorem.

1963 – Died on the 17th of October.