Yves Saint Laurent was founded in 1962.
Edmond Nicolas Laguerre -LRB- April 9 , 1834 , Bar-le-Duc -- August 14 , 1886 , Bar-le-Duc -RRB- was a French mathematician , a member of the Academie francaise -LRB- 1885 -RRB- .. Bar-le-Duc. Bar-le-Duc. French. France. mathematician. mathematician. Academie francaise. Academie francaise. His main works were in the areas of geometry and complex analysis .. geometry. geometry. complex analysis. complex analysis. He also investigated orthogonal polynomials -LRB- see Laguerre polynomials -RRB- .. orthogonal polynomials. orthogonal polynomials. Laguerre polynomials. Laguerre polynomials. Laguerre 's method is a root-finding algorithm tailored to polynomials .. root-finding algorithm. root-finding algorithm. He laid the foundations of a geometry of oriented spheres -LRB- Laguerre geometry and Laguerre plane -RRB- , including the Laguerre transformation or transformation by reciprocal directions .. geometry. geometry. Laguerre plane. Laguerre plane. transformation by reciprocal directions. Spherical wave transformation#Transformation by reciprocal directions