W.W. Harmon (1857-1937) was an optometrist, publisher, early advocate of color in movies, and theosophical teacher. He was one of the earliest members of the Theosophical Society, studying closely with founder William Quan Judge, and one of the first to study Helena Blavatsky's The Secret Doctrine. He was also the director of the Occult Publishing Company, through which he published many significant theosophical works. Through a vast body of illustrations involving symbolic geometry, color, and musical pitch, Harmon spent decades teaching theosophical cosmology. However, his teachings proved controversial, causing an historic excommunication from the Bahá'í Faith community (aka “Reading Room Affair”) and a distancing from the Theosophical Society. Having befriended Manly P. Hall, the bulk of Harmon's materials were donated to the Philosophical Research Society. The materials in the AMP collection were obtained from an online garage sale based in California and were owned, presumably, by a former student of Harmon. They include two typed documents with two opaque color charts, and one handwritten document with several color illustrations on transparent paper. Also in the AMP collection is a very rare first edition of Harmon's controversial Bahá'í publication, Divine Illumination (1915).