During the 1960s and 1970s, a loosely affiliated group of Los Angeles artists--including Larry Bell, Mary Corse, Robert Irwin, James Turrell, and Doug Wheeler--more intrigued by questions of perception than by the crafting of discrete objects, embraced light as their primary medium. Whether by directing the flow of natural light, embedding artificial light within objects or architecture, or playing with light through the use of reflective, translucent, or transparent materials, each of these artists created situations capable of stimulating heightened sensory awareness in the receptive...