Quantum Electrodynamics and Meson Theories. Notes on the Lectures by Professor Richard P. Feynman, Cornell University. Given at the California Institute of Technology, Pasadena, California, February 6 to March 2, 1950. Prepared by Carl W. Helstrom and Malvin A. Ruderman.
[Not published: California Institute of Technology, Pasadena, CA: 1950]. First and only edition, extremely rare, of the mimeographed notes of Feynman’s lecture course on meson theory, delivered as a visiting lecturer at Caltech (to which he moved permanently in the following year). Feynman had developed his distinctive diagrammatic approach while..... More