Weinberg, Robert, 315 South 22nd St. Philadelphia, Pa.
    Temple U. Physics Dept. Phila, Pa. 19122, 215 787 7634

mathematics, physics, computers/cybernetics, programming, computers:
graphics/film/sound/music, optics, spectroscopy/color theory, light
light equipment/projection, strobes, X-rays, ultraviolet, audio systems,
audio-visual conversions, cathode rays, photography