Jacques Solomon Hadamard (1865–1963) French mathematician best known for proving the prime number theorem and for the Hadamard three-circle theorem. Some concepts bearing his name include the Hadamard matrix, the Hadamard product, the Hadamard gate and the Hadamard transform.  Hadamard also studied the psychology of synesthesia in other mathematicians and physicists.

Title Jacques Hadamard JacquesHadamard 2013-03-22 16:24:01 2013-03-22 16:24:01 PrimeFan (13766) PrimeFan (13766) 6 PrimeFan (13766) Biography msc 01A60 msc 01A55 Jacques Solomon Hadamard Jacques-Solomon Hadamard