Fundamental Nature of the Fine-Structure Constant by Michael A. Sherbon Abstract: Arnold Sommerfeld introduced the fine-structure constant that determines the strength of the electromagnetic interaction. Following Sommerfeld, Wolfgang Pauli left several clues to calculating the fine-structure constant with his research on Johannes Kepler’s view of nature and Pythagorean geometry. The Laplace limit of Kepler’s equation in classical mechanics, the Bohr-Sommerfeld model of the hydrogen atom and Julian Schwinger’s research enable a calculation of the electron magnetic moment anomaly. Considerations of fundamental lengths such as the charge radius of the proton and mass ratios suggest some further foundational interpretations of quantum electrodynamics. International Journal of Physical Research, Vol. 2, No. 1 (2014). Available at: http://www.sciencepubco.com/index.php/IJPR/article/view/1817 SSRN: 2380218 . .