This is a list of contributors to the mathematical background for general relativity. For ease of readability, the contributions (in brackets) are unlinked but can be found in the contributors' article. B Luigi Bianchi (Bianchi identities, Bianchi groups, differential geometry) C Élie Cartan (curvature computation, early extensions of GTR, Cartan geometries) Elwin Bruno Christoffel (connections, tensor calculus, Riemannian geometry) Clarissa-Marie Claudel (Geometry of photon surfaces) D Tevian Dray (The Geometry of General Relativity) E Luther P. Eisenhart (semi-Riemannian geometries) Frank B. Estabrook (Wahlquist-Estabrook approach to solving PDEs; see also parent list) Leonhard Euler (Euler-Lagrange equation, from which the geodesic equation is obtained) G Carl Friedrich Gauss (curvature, theory of surfaces, intrinsic vs. extrinsic) K Martin Kruskal (inverse scattering transform; see also parent list) L Joseph Louis Lagrange (Lagrangian mechanics, Euler-Lagrange equation) Tullio Levi-Civita (tensor calculus, Riemannian geometry; see also parent list) André Lichnerowicz (tensor calculus, transformation groups) M Alexander Macfarlane (space analysis and Algebra of Physics) Jerrold E. Marsden (linear stability) N Isaac Newton (Newton's identities for characteristic of Einstein tensor) R Gregorio Ricci-Curbastro (Ricci tensor, differential geometry) Georg Bernhard Riemann (Riemannian geometry, Riemann curvature tensor) S Richard Schoen (Yamabe problem; see also parent list) Corrado Segre (Segre classification) W Hugo D. Wahlquist (Wahlquist-Estabrook algorithm; see also parent list) Hermann Weyl (Weyl tensor, gauge theories; see also parent list) Eugene P. Wigner (stabilizers in Lorentz group) See also Contributors to differential geometry Contributors to general relativity Physics-related lists