“Light Sculpture: Sculpture in which light sources (fluorescent and neon bulbs, incandescent bulbs, laser beams, and sunlight) are the primary medium or source of visual interest. Minimalist Dan Flavin, Chryssa, and Robert Whitman are three of the best-known light sculptors.”
Excerpted from: Diamond, David G. The Bulfinch Pocket Dictionary of Art Terms. Boston: Little Brown, 1992.