Jacques Hadamard

was born 153 years ago

8th December 1865

**Jacques Hadamard**'s most important result is the prime number theorem which he proved in 1896. This states that the number of primes < *n* tends to infinity as fast as *n*/log* _{ e} n*.

*Find out more at*:

http://www-history.mcs.st-andrews.ac.uk/Biographies/Hadamard.html