Mary Hallock-Greenewalt Docs and Photos
Since 2009 I’ve been operating a Facebook page about early 20th century artist/inventor/suffrage activist Mary Hallock-Greenewalt. Born in Beirut, and mainly raised in Philadelphia, Hallock-Greenewalt is mainly known for her work designing and performing color organs — as well as her art of colored light performance, which she called Nourathar. I recently visited the Historical … Read more