Particles and accelerators:  fundamental particles, their production, and study, forces of nature, strength, and range of interactions. Kinematics of high-energy reactions, four vectors, phase space, S-matrix, Dispersion relations, 2-body reactions. Elementary models, Computation of static hadronic properties. Introduction to unitary symmetry. Quark model. Electromagnetic Interaction: QED, Feynman diagrams, vertices. Perturbation theory