Adrien-Marie Legendre
![](/Images/godic/202501/23/Legendre4052.jpg")
![1820 watercolor caricatures of the French mathematicians Adrien-Marie Legendre (left) and Joseph Fourier (right) by French artist Julien-Leopold Boilly, watercolor portrait numbers 29 and 30 of Album de 73 portraits-charge aquarellés des membres de I’Institut.[5]](/Images/godic/202501/23/Legendre_and_Fourier_(1820)4052.jpg")
![Side view sketching of French politician Louis Legendre (1752–1797), whose portrait has been mistakenly used, for nearly 200 years, to represent French mathematician Adrien-Marie Legendre, i.e. up until 2005 when the mistake was discovered.[1]](/Images/godic/202501/23/Louis_Legendre4052.jpg")
Adrien-Marie Legendre (French: [adʁiɛ̃ maʁi ləʒɑ̃ːdʁ]; 18 September 1752 – 10 January 1833) was a French mathematician. Legendre made numerous contributions to mathematics. Well-known and important concepts such as the Legendre polynomials and Legendre transformation are named after him.