# John Augustus Larson

> John Augustus Larson was a police officer and forensic psychiatrist and became famous for his invention of the modern polygraph device used in forensic investigations. He was the first American police officer with an academic doctorate and to use the polygraph in criminal investigations.
After a famed career in criminal investigation, he died of a heart attack in Nashville, Tennessee, at the age of 73.

*American inventor (1892–1965)*

**Canonical URL:** https://fame.am/person/john-augustus-larson

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1892-12-11
- **Died:** 1965-10-01
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 43.0 / 100
- **Momentum:** 1.3 / 100  (trend: FALLING)
- **Historical depth:** 6.6 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 40.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [John Augustus Larson](https://vi.wikipedia.org/wiki/John_Augustus_Larson)
- [جون أغسطس لارسون](https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%A3%D8%BA%D8%B3%D8%B7%D8%B3_%D9%84%D8%A7%D8%B1%D8%B3%D9%88%D9%86)
- [John A. Larson](https://de.wikipedia.org/wiki/John_A._Larson)
- [John Augustus Larson](https://en.wikipedia.org/wiki/John_Augustus_Larson)
- [John A. Larson](https://it.wikipedia.org/wiki/John_A._Larson)
- [John Augustus Larson](https://mg.wikipedia.org/wiki/John_Augustus_Larson)
- [John Augustus Larson](https://tr.wikipedia.org/wiki/John_Augustus_Larson)
- [Wikidata](https://www.wikidata.org/wiki/Q632809)

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