He invented many things, which include, but are not limited to Schrödinger's Cat, the Schrödinger Method, the Schrödinger Functional, the Schrödinger Picture, the Schrödinger Field, Rayleigh-Schrödinger Perturbation, Schrödinger Logics, and the Cat State. He formed the very basics of wave mechanics. One of his most famous discoveries is the Schrödinger Equation. For more information, see the subpage titled 'The Schrödinger Equation' under Major Accomplishments.