Sophus Lie
Marius Sophus Lie was a Norwegian mathematician. He largely created the theory of continuous symmetry and applied it to the study of geometry and differential equations. He also made substantial contributions to the development of algebra.
17 December 1842
Born on the same birth day (17 December): Chris Matthews • Chuck Liddell • Claudio Suárez • Doyle Conner • Fernando Lopes-Graça • Galina Malchugina • Gerald Patterson • Iván Pedroso • Maria I of Portugal • Mary Cartwright • María Elena Velasco • Ray Wilson (English footballer) • Rian Johnson • Rocco Mediate • Sy Oliver • Tatyana Kazankina • Tommy Steele • Wes Studi
Born in the same month (December 1842): Adolf Bötticher • Calixa Lavallée • Charles Alfred Pillsbury • Ellen Swallow Richards • Giovanni Boldini • Osman Hamdi Bey • Peter Kropotkin • Phoebe Hearst