Theories · theory Quantum Mechanics Accepted · 1925 StatusAcceptedYear1925 SummaryStates as vectors, observables as operators, outcomes as probabilities. The most precisely tested theory ever written, and the one whose meaning is still argued about a century on. EquationsHeisenberg Uncertainty PrincipleSchrödinger EquationPlanck–Einstein RelationDe Broglie WavelengthDirac Equation ProponentMax BornWerner HeisenbergPaul DiracErwin Schrödinger Referenced by equationDe Broglie WavelengthDirac EquationHeisenberg Uncertainty PrinciplePlanck–Einstein RelationSchrödinger Equation researcherErwin SchrödingerMax BornPaul DiracWerner Heisenberg Open on the Theories shelf — the interactive card, the filters, and everything alongside it. From the Theories database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.