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About Mary Hallock-Greenewalt
Mary Elizabeth Hallock-Greenewalt was an inventor and pianist who performed with the Philadelphia and Pittsburgh symphonies as a soloist. She is best known for her invention of a type of visual music she called Nourathar.
Everything about Mary Hallock-Greenewalt →- Occupation
- inventor, musician, musicologist, pianist
- Citizenship
- Lebanon, United States
- Born
- September 8, 1871
- Died
- November 26, 1950