# John Cleves Symmes

> Captain John Cleves Symmes Jr. was an American Army officer, trader, and lecturer. Symmes is best known for his 1818 variant of the Hollow Earth theory, which introduced the concept of openings to the inner world at the poles.

*American army officer, academic and hollow-earth theorist (1779/1780–1829)*

**Canonical URL:** https://fame.am/person/john-cleves-symmes

## Identity
- **Profile type:** Writer / Author
- **Category:** Writers
- **Country:** United States
- **Born:** 1779
- **Died:** 1829-05-28
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 43.4 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 5.7 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 35.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [John Cleves Symmes Jr.](https://en.wikipedia.org/wiki/John_Cleves_Symmes_Jr.)
- [جون كليفز سيمز جونيور](https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%83%D9%84%D9%8A%D9%81%D8%B2_%D8%B3%D9%8A%D9%85%D8%B2_%D8%AC%D9%88%D9%86%D9%8A%D9%88%D8%B1)
- [John Cleves Symmes junior](https://de.wikipedia.org/wiki/John_Cleves_Symmes_junior)
- [John Cleves Symmes Jr.](https://pl.wikipedia.org/wiki/John_Cleves_Symmes_Jr.)
- [John Symmes](https://fr.wikipedia.org/wiki/John_Symmes)
- [John Cleves Symmes Jr.](https://nl.wikipedia.org/wiki/John_Cleves_Symmes_Jr.)
- [Wikidata](https://www.wikidata.org/wiki/Q1699624)

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