Adrien-Marie Legendre
lived from 1752 to 1833

**Adrien-Marie Legendre**'s major work on elliptic integrals provided basic analytical tools for mathematical physics. He gave a simple proof that π is irrational as well as the first proof that π^{2} is irrational.

*Find out more at*:

http://mathshistory.st-andrews.ac.uk/Biographies/Legendre.html