The Historical Development of Quantum Theory, Volumes 1-2

Abhandlungen absorption AHQP Interview Akad Alfred Landé angular momentum anomalous Zeeman effects April assumed assumption atomic structure atomic theory azimuthal quantum azimuthal quantum number Berlin Bohr's Born Bose calculation classical theory Compton effect Copenhagen correspondence principle d-terms Debye December derived discussed dispersion doublet Ehrenfest Einstein electric emission emitted energy equation experimental February Franck frequency gases Gerlach Göttingen Goudsmit Heisenberg helium hydrogen inner quantum number January July June Landé later letter Lorentz Louis de Broglie magnetic field March mechanics molecules motion multiplets Niels Bohr November observed obtained October orbits paper particles Paschen Pauli periodic system perturbation phase wave phenomena Phil Phys Physical Society physicists Physikalische Planck presented problem published in issue Quantentheorie quantization quantum theory quantum-theoretical received relativistic reprinted in Collected scattering September series electron Sommerfeld spectra spectral lines statistical theoretical theory of atomic triplet Uhlenbeck University values vector velocity wavelength Wiss X-ray Zeitschrift für Physik