Volume 1: The Quantum Theory of Planck, Einstein, Bohr and Sommerfeld: Its Foundation and the Rise of Its Difficulties, 1900–1925 (Parts 1 and 2) and Volume 2: The Discovery of Quantum Mechanics, 1925 and Volume 3: The Formulation of Matrix Mechanics and Its Modifications, 1925–1926 and Volume 4: The Fundamental Equations of Quantum Mechanics, 1925–1926. The Reception of the New Quantum Mechanics, 1925–1926 and Volume 5: Erwin Schrödinger and the Rise of Wave Mechanics. Part 1: Schrödinger in Vienna and Zurich, 1887–1925. Part 2: The Creation of Wave Mechanics; Early Response and Application, 1925–1926