Prologue: The wave-particle duality of the elementary particle -- and summary -- The elementary particle: Victim of an historical accident -- What is the nature of the elementary particle? -- Is the “elementary particle” elementary or composite? -- What is the binding energy of the quark? -- Evidence for the fundamental spinless mass quantum M = 70 MEV -- The relativistic mass increase for spinning systems -- The muon: Lonely orphan or missing link -- Evidence for the spin 1/2 Spinor S = 330 MEV -- The fundamental baryon states N, A, ?, ?, and ? -- and summary -- Elementary particle lifetimes: An untapped goldmine of information -- Do orbital angular momentum barriers apply to elementary particles? -- Spin and orbital angular momentum components of baryons -- Spin and orbital angular momenta in mesons: The ? and ? mesons -- Transitions between spinless and spinning masses; spin quantization -- Mapping the baryon resonances -- Mapping the low-mass meson resonances -- Mapping the high-mass “new Particle” meson resonances -- The geometry of the elementary particle -- Electromagnetic effects and precision mass calculations -- Implications for nuclear physics.