The Dwan Light Sanctuary is a non-denominational place for quiet reflection that was conceived by Virginia Dwan. In his collaboration with Dwan and architect Laban Wingert, Ross suggested a space where the movement of the spectrum and the form of the building would act together - a space shaped by the Earth’s alignment to the sun, moon, and stars.
Designed around the number twelve, the Dwan Light Sanctuary is illuminated by six prisms in each of two apses, and three prisms in each of four skylights. The prisms form broad ribbons of pure solar color that move in concert with the rotation of the Earth. Lunar spectrums can be seen on nights when the moon is full. A third apse, facing north, houses a square window. A line parallel to Earth’s axis extends from the center of the floor through the center of this window, and points directly to the north star.

Excerpt: Harold Linton. COLOR IN ARCHITECTURE. New York: McGraw-Hill, 1999.