# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/james-mark-mcginnis-barr
# Generated: 2026-08-14T23:26:45.590Z

schema: https://schema.org/Person
url: "https://fame.am/person/james-mark-mcginnis-barr"
name: "James Mark McGinnis Barr"
slug: "james-mark-mcginnis-barr"
description: "James Mark McGinnis Barr was an electrical engineer, physicist, inventor, and polymath known for proposing the standard notation for the golden ratio. Born in America, but with English citizenship, Barr lived in both London and New York City at different times of his life."
tagline: "English-American inventor and polymath (1871–1950)"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1871-05-18"
deathDate: "1950-12-15"
livingStatus: "DECEASED"
scores:
  popularity:           40.64
  momentum:             19.95495495495496
  historical:           5.472642666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  55
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://es.wikipedia.org/wiki/Mark_Barr"
    title: "Mark Barr"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D9%83_%D8%A8%D8%A7%D8%B1"
    title: "مارك بار"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Mark_Barr"
    title: "Mark Barr"
    type:  "WIKIPEDIA"
  - url: "https://ml.wikipedia.org/wiki/%E0%B4%AE%E0%B4%BE%E0%B5%BC%E0%B4%95%E0%B5%8D%E0%B4%95%E0%B5%8D_%E0%B4%AC%E0%B4%BE%E0%B5%BC"
    title: "മാർക്ക് ബാർ"
    type:  "WIKIPEDIA"
  - url: "https://ht.wikipedia.org/wiki/Mark_Barr"
    title: "Mark Barr"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/James_Mark_McGinnis_Barr"
    title: "James Mark McGinnis Barr"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q6766662"
    title: "Wikidata"
    type:  "WIKIDATA"

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