Adrien-Marie Legendre
18 September 1752 — 9 January 1833
Adrien-Marie Legendre was a French mathematician who made numerous contributions to mathematics. Well-known and important concepts such as the Legendre polynomials and Legendre transformation are named after him. He is also known for his contributions to the method of least squares, and was the first to officially publish on it, though Carl Friedrich Gauss had discovered it before him.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 38, 29.