Adrien-Marie Legendre
The life of Adrien-Marie Legendre - the Man Who Defined the Meter.
Legendre Polynomials
Solutions to Legendre's differential equation, essential in physics and engineering.
\[ P_n(x) = \frac{1}{2^n n!} \frac{d^n}{dx^n} (x^2 - 1)^n \]
Legedre Symbol
A notation in number theory to specify quadratic residues.
\[ \left(\frac{a}{p}\right) \equiv a^{(p-1)/2} \pmod{p} \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/Legendre/
