# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/mary-hallock-greenewalt
# Generated: 2026-08-15T05:43:22.402Z

schema: https://schema.org/Person
url: "https://fame.am/person/mary-hallock-greenewalt"
name: "Mary Hallock-Greenewalt"
slug: "mary-hallock-greenewalt"
description: "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."
tagline: "Inventor and pianist (1871-1950)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Mrs._Mary_Hallock_Greenwalt.jpg?width=1200"
gender: "female"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1871-09-08"
deathDate: "1950-11-26"
livingStatus: "DECEASED"
scores:
  popularity:           42.81
  momentum:             10
  historical:           6.143413333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A2%E3%83%AA%E3%83%BC%E3%83%BB%E3%83%8F%E3%83%AD%E3%83%83%E3%82%AF%EF%BC%9D%E3%82%B0%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%A6%E3%82%A9%E3%83%AB%E3%83%88"
    title: "メアリー・ハロック＝グリーンウォルト"
    type:  "WIKIPEDIA"
  - url: "https://ast.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Mary_Hallock-Greenewalt"
    title: "Mary Hallock-Greenewalt"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q6779696"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump