spectrum

“spectrum” consists of a large square of plywood, supported by feet mounted on brackets, with three large glass panels painted, mounted, and framed with hand carved, unfinished balsa wood trim. red, green and blue - the primary colors of the computer screen as well as acrylic paint.

cave painting

Real petroglyphs can be seen at http://www.nps.gov/petr/
Petroglyph: a carving or line drawing on rock, especially one made by prehistoric people. From the Greek, petros (stone) and glyphein (to carve).
Capturing the spirit of an ancient art form, in a newer form.
Looking for the artist’s signature? Look at the whole picture - it’s there!