Quantum Theories History of QM “Old Quantum Theory”: Planck, Einstein, and Bohr Matrix Mechanics: Born, Jordan, Heisenberg Wave Mechanics: deBroglie, Schroedinger Derivation of Schroedinger’s Equation All Together Now: Dirac and von Neumann Relativistic Theory and Quantum Fields Later Developments General Structure States and Observables Observables “Propositions” as Projectors Observables as Self-Adjoint Operators States States – Pure, Mixed, & Entangled Composite Systems Tensor Product Representation Relative State via Partial Trace Measurement in Quantum Mechanics Measurement Quantum Measurement Process Quantum Measurement Process Schroedinger’s Cat is Wigner’s Friend Interpretations EPR, Bell, and All That Mermin on EPR,Bell,&All That Collected References on EPR, Bell, etc. Interpretation Debates Path Integrals Path Integrals