# James Mark McGinnis Barr

> 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.

*English-American inventor and polymath (1871–1950)*

**Canonical URL:** https://fame.am/person/james-mark-mcginnis-barr

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1871-05-18
- **Died:** 1950-12-15
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 40.6 / 100
- **Momentum:** 20.0 / 100  (trend: BREAKOUT)
- **Historical depth:** 5.5 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 35.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [Mark Barr](https://es.wikipedia.org/wiki/Mark_Barr)
- [مارك بار](https://ar.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1%D9%83_%D8%A8%D8%A7%D8%B1)
- [Mark Barr](https://en.wikipedia.org/wiki/Mark_Barr)
- [മാർക്ക് ബാർ](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)
- [Mark Barr](https://ht.wikipedia.org/wiki/Mark_Barr)
- [James Mark McGinnis Barr](https://id.wikipedia.org/wiki/James_Mark_McGinnis_Barr)
- [Wikidata](https://www.wikidata.org/wiki/Q6766662)

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