# Walter R. Evans

> Walter Richard Evans was a noted American control theorist and the inventor of the root locus method and the Spirule device in 1948. He was the recipient of the 1987 American Society of Mechanical Engineers Rufus Oldenburger Medal and the 1988 AACC's Richard E. Bellman Control Heritage Award.

*American control theorist (1920–1999)*

**Canonical URL:** https://fame.am/person/walter-r-evans

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1920-01-15
- **Died:** 1999-07-10
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 40.8 / 100
- **Momentum:** 0.0 / 100  (trend: STABLE)
- **Historical depth:** 9.4 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Walter Richard Evans](https://pt.wikipedia.org/wiki/Walter_Richard_Evans)
- [والتر ر. إيفانز](https://ar.wikipedia.org/wiki/%D9%88%D8%A7%D9%84%D8%AA%D8%B1_%D8%B1._%D8%A5%D9%8A%D9%81%D8%A7%D9%86%D8%B2)
- [والتر ر. ايفانز](https://arz.wikipedia.org/wiki/%D9%88%D8%A7%D9%84%D8%AA%D8%B1_%D8%B1._%D8%A7%D9%8A%D9%81%D8%A7%D9%86%D8%B2)
- [والتر ایوانز](https://azb.wikipedia.org/wiki/%D9%88%D8%A7%D9%84%D8%AA%D8%B1_%D8%A7%DB%8C%D9%88%D8%A7%D9%86%D8%B2)
- [Walter Richard Evans](https://de.wikipedia.org/wiki/Walter_Richard_Evans)
- [Walter R. Evans](https://en.wikipedia.org/wiki/Walter_R._Evans)
- [والتر ایوانز](https://fa.wikipedia.org/wiki/%D9%88%D8%A7%D9%84%D8%AA%D8%B1_%D8%A7%DB%8C%D9%88%D8%A7%D9%86%D8%B2)
- [वाल्टर रिचर्ड इवान्स](https://hi.wikipedia.org/wiki/%E0%A4%B5%E0%A4%BE%E0%A4%B2%E0%A5%8D%E0%A4%9F%E0%A4%B0_%E0%A4%B0%E0%A4%BF%E0%A4%9A%E0%A4%B0%E0%A5%8D%E0%A4%A1_%E0%A4%87%E0%A4%B5%E0%A4%BE%E0%A4%A8%E0%A5%8D%E0%A4%B8)
- [Walter Evans](https://it.wikipedia.org/wiki/Walter_Evans)
- [Walter R. Evans](https://mg.wikipedia.org/wiki/Walter_R._Evans)
- [Walter Evans](https://pl.wikipedia.org/wiki/Walter_Evans)
- [Wikidata](https://www.wikidata.org/wiki/Q556579)

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