Greenewalt, Mary Elizabeth Hallock 1871-1950 creator mixed material monographic eng 1,000 2 1 0.8 Correspondence, speeches, writings, legal and financial records, biographical material, printed matter, and annotated photographs relating chiefly to Greenewalt's invention of an art form called Nourathar (also Sarabet, Light-Score), which harmonized projected patterns of colored light with concert music. Includes drafts of her book titled Nourathar, the fine art of light color playing, published in 1946. Correspondents include Howson & Howson and Busser & Harding, Greenewalt's attorneys in Philadelphia, Pa., as well as various government agencies. Open to research. Musician, inventor, and author. Collection material in English. Finding aid available in the Library of Congress Manuscript Reading Room and at http://hdl.loc.gov/loc.mss/eadmss.ms013015 Busser & Harding Correspondence Howson & Howson Correspondence Music Music and color Authors Inventors Musicians Greenewalt, Mary Elizabeth Hallock, 1871-1950 mm 75024049 hdl:loc.mss/eadmss.ms013015 hdl:loc.mss/eadmss.ms013015.3 http://hdl.loc.gov/loc.mss/eadmss.ms013015 http://hdl.loc.gov/loc.mss/eadmss.ms013015.3 Open to research. DLC 751124 20260227111616.0 mm 75024049