SELECTED PAPERS OF RICHARD FEYNMAN. Feynman's Talk. An Invitation to Enter a New Field of Physics by Richard P.
Feynman This transcript of the classic talk that Richard Feynman gave on December 29th 1959 at the annual meeting of the American Physical Society at the California Institute of Technology (Caltech) was first published in Caltech Engineering and Science, Volume 23:5, February 1960, pp 22-36.