In 1969 Mel Tanner had an aesthetic breakthrough, and both he and his wife Dorothy began to construct a theater where they could combine all their work with sculpture and painting into a form of visual music. The result of that inspiration was the Lumonics Theater. The performance space they built was composed of 50 sculptures, a battery of projectors, lasers, and the spontaneous creativity that transforms technology into virtuoso performance art. The entire performance was designed so that no two are alike. This book describes the more than thirty year history and development of their theater from its beginnings in the 1960s through its final days in 2003.

Mary Hallock-Greenewalt played the piano with the Philadelphia and Pittsburgh Orchestras as a concert soloist, invented her own color organ that she called a "Sarabet" after her mother, and, in her pursuit of the art she named "Nourathar" by combining the Arabic words for "essence of light,"she had to invent the machinery required as well. Numbered among her inventions are the rheostat that allos the gradual fading of light, the mercury switch, and was among the earliest developers of colored gel filters for tinting theatrical lights. Her patent for the rheostat became the subject of an infirngement lawsuit in the lat 1920s against such large corporations as General Electric, a lawsuit that she ultimately won in 1936. This volume collects all eleven of her technology patents, revealing the refinement and evolution of the Sarabet. These patents also enable a clear evaluation of her contributions to visual music, since, as Dr. Betancourt notes in his introduction, the patents allow a much clearer determination of her place in history and a peer-reviewed statement of her accomplishments.

This anthology brings together the few essays on Lumia that were published during Thomas Wilfred's lifetime. Wilfred, an artist who experimented with a form of visual music he called "Lumia" developed an entire aesthetic system that could either be performed live, or set-up as an automatic display. His instrument, the Clavilux, was subject of several patents, collected along with images from Opus 161. Together these essays, the patents, and selected images provide a clear description of Lumia, what Wilfred described as "the eighth art."

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