Articles—General and Historical

Advances in Optical Masers, A. L. Schawlow, Scientific American, 209: 34 (July 1963). The Evolution of the Physicist’s Picture of Matter, P. A. M. Dirac, Scientific American, 208: 45 (May 1963). Filling in the Blanks in the Laser’s Spectrum, F. M. Johnson, Electronics, 39: 82 (April 18, 1966). The Amateur Scientist—How a persevering amateur can build a gas laser in the home, C. L. Stong, Scientific American, 211: 227 (September 1964). The Amateur Scientist—Homemade Laser, C. L. Stong, Scientific American, 213: 108 (December 1965). The Amateur Scientist—How to make holograms and experiment with them or with ready-made holograms, C. L. Stong, Scientific American, 216: 122 (February 1967). The Maser, James P. Gordon, Scientific American, 199: 42 (December 1958). The Quantum Theory: Early Years to 1923, Karl Darrow, Scientific American, 186: 47 (March 1952). Laser’s Bright Magic, T. Meloy, National Geographic Magazine, 130: 858 (December 1966). Infrared and Optical Masers (original paper), A. L. Schawlow and C. H. Townes, Physical Review, 112: 1940 (December 15, 1958). Laser Market Enters Era of Practicality, W. Mathews, Electronic News, 11: 1 (April 18, 1966). Lasers, A. K. Levine, American Scientist, 51: 14 (March 1963). Lasers, A. L. Schawlow, Science, 149: 13 (July 2, 1965). Lasers and Coherent Light, A. L. Schawlow, Physics Today, 17: 28 (January 1964). The Laser’s Dazzling Future, L. Lessing, Fortune, 67: 138 (June 1963). Optical Masers, A. L. Schawlow, Scientific American, 204: 52 (June 1961). Optical Pumping, A. L. Bloom, Scientific American, 202: 72 (October 1960). Research on Maser-Laser Principle Wins Nobel Prize in Physics, J. P. Gordon, Science, 146: 897 (November 13, 1964). Resource Letter MOP-1 on Masers (Microwave through Optical) and on Optical Pumping, H. W. Moos, American Journal of Physics, 32: 589 (August 1964), extensive bibliography. Available from American Institute of Physics, 335 East 45th Street, New York 10017. Enclose stamped return envelope. Advances in Holography, K. S. Pennington, Scientific American, 218: 40 (February 1968). Applications of Laser Light, D. R. Herriott, Scientific American, 219: 140 (September 1968). Holography for the Sophomore Laboratory, R. H. Webb, American Journal of Physics, 36: 62 (January 1968). Laser Light, A. L. Schawlow, Scientific American, 219: 120 (September 1968). The Modulation of Laser Light, D. F. Nelson, Scientific American, 218: 17 (June 1968).