No. 2981, Vol. 118. 874-875. Includes a letter to the editor from Prof. Gilbert N. Lewis, "The Conversation of Photons," purportedly the first use of the term "photon," often ascribed to Albert Einstein. Also includes an article by Enrico Fermi, "Quantum Mechanics and the Magnetic Moment of Atoms." December 18th. Lightly soiled covers.