# Ralph Hartley

> Ralph Vinton Lyon Hartley was an American electronics researcher. He invented the Hartley oscillator and the Hartley transform, and contributed to the foundations of information theory.

*American electronics researcher and information theorist (1888–1970)*

**Canonical URL:** https://fame.am/person/ralph-hartley

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1888-11-30
- **Died:** 1970-05-01
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 50.6 / 100
- **Momentum:** 4.3 / 100  (trend: RISING)
- **Historical depth:** 17.5 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Ральф Гартлі](https://uk.wikipedia.org/wiki/%D0%A0%D0%B0%D0%BB%D1%8C%D1%84_%D0%93%D0%B0%D1%80%D1%82%D0%BB%D1%96)
- [رالف هارتلي](https://ar.wikipedia.org/wiki/%D8%B1%D8%A7%D9%84%D9%81_%D9%87%D8%A7%D8%B1%D8%AA%D9%84%D9%8A)
- [رالف هارتلى](https://arz.wikipedia.org/wiki/%D8%B1%D8%A7%D9%84%D9%81_%D9%87%D8%A7%D8%B1%D8%AA%D9%84%D9%89)
- [رالف هارتلی](https://azb.wikipedia.org/wiki/%D8%B1%D8%A7%D9%84%D9%81_%D9%87%D8%A7%D8%B1%D8%AA%D9%84%DB%8C)
- [Ralf Hartli](https://az.wikipedia.org/wiki/Ralf_Hartli)
- [Ralph Hartley](https://de.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://en.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://es.wikipedia.org/wiki/Ralph_Hartley)
- [رالف هارتلی](https://fa.wikipedia.org/wiki/%D8%B1%D8%A7%D9%84%D9%81_%D9%87%D8%A7%D8%B1%D8%AA%D9%84%DB%8C)
- [Ralph Hartley](https://fr.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://it.wikipedia.org/wiki/Ralph_Hartley)
- [ラルフ・ハートレー](https://ja.wikipedia.org/wiki/%E3%83%A9%E3%83%AB%E3%83%95%E3%83%BB%E3%83%8F%E3%83%BC%E3%83%88%E3%83%AC%E3%83%BC)
- [Ralph Hartley](https://mg.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://nl.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://pl.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://pt.wikipedia.org/wiki/Ralph_Hartley)
- [Ralph Hartley](https://ro.wikipedia.org/wiki/Ralph_Hartley)
- [Хартли, Ральф](https://ru.wikipedia.org/wiki/%D0%A5%D0%B0%D1%80%D1%82%D0%BB%D0%B8%2C_%D0%A0%D0%B0%D0%BB%D1%8C%D1%84)
- [Ralph Hartley](https://sk.wikipedia.org/wiki/Ralph_Hartley)
- [Ралф Хартли](https://sr.wikipedia.org/wiki/%D0%A0%D0%B0%D0%BB%D1%84_%D0%A5%D0%B0%D1%80%D1%82%D0%BB%D0%B8)
- [Ralph Hartley](https://sv.wikipedia.org/wiki/Ralph_Hartley)
- [Wikidata](https://www.wikidata.org/wiki/Q529886)

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