# Robert von Lieben

> Robert von Lieben was an Austrian entrepreneur, and self-taught physicist and inventor. Lieben and his associates Eugen Reisz and Siegmund Strauss invented and produced a gas-filled triode – the first thermionic valve with a control grid that was designed specifically for amplification rather than demodulation of signals, and is a distant ancestor of the thyratron. After Lieben's death, the "Lieben valve", which is also known in English as the "Lieben-Reisz valve" and in German as the "LRS-Relais", was used in the world's first continuous wave radio frequency generator designed for radio telephony.

*Austrian physicist (1878-1913)*

**Canonical URL:** https://fame.am/person/robert-von-lieben

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Born:** 1878-09-05
- **Died:** 1913-02-20
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 44.6 / 100
- **Momentum:** 3.6 / 100  (trend: STABLE)
- **Historical depth:** 8.7 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 55.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Robert von Lieben](https://sv.wikipedia.org/wiki/Robert_von_Lieben)
- [روبرت فون ليبين](https://ar.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%D8%B1%D8%AA_%D9%81%D9%88%D9%86_%D9%84%D9%8A%D8%A8%D9%8A%D9%86)
- [روبرت فون ليبين](https://arz.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%D8%B1%D8%AA_%D9%81%D9%88%D9%86_%D9%84%D9%8A%D8%A8%D9%8A%D9%86)
- [Robert von Lieben](https://de.wikipedia.org/wiki/Robert_von_Lieben)
- [Robert von Lieben](https://en.wikipedia.org/wiki/Robert_von_Lieben)
- [Robert von Lieben](https://es.wikipedia.org/wiki/Robert_von_Lieben)
- [رابرت فون لیبن](https://fa.wikipedia.org/wiki/%D8%B1%D8%A7%D8%A8%D8%B1%D8%AA_%D9%81%D9%88%D9%86_%D9%84%DB%8C%D8%A8%D9%86)
- [Robert von Lieben](https://fi.wikipedia.org/wiki/Robert_von_Lieben)
- [Robert von Lieben](https://ht.wikipedia.org/wiki/Robert_von_Lieben)
- [Либен, Роберт фон](https://ru.wikipedia.org/wiki/%D0%9B%D0%B8%D0%B1%D0%B5%D0%BD%2C_%D0%A0%D0%BE%D0%B1%D0%B5%D1%80%D1%82_%D1%84%D0%BE%D0%BD)
- [Wikidata](https://www.wikidata.org/wiki/Q114560)

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