# Eduard Stiefel

> Eduard L. Stiefel was a Swiss mathematician. Together with Cornelius Lanczos and Magnus Hestenes, he invented the conjugate gradient method, and gave what is now understood to be a partial construction of the Stiefel-Whitney classes of a real vector bundle, thus co-founding the study of characteristic classes.

*Swiss mathematician (1909-1978)*

**Canonical URL:** https://fame.am/person/eduard-stiefel

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** Switzerland
- **Born:** 1909-04-21
- **Died:** 1978-11-25
- **Status:** deceased
- **Gender:** male

## Fame
- **Popularity score:** 46.8 / 100
- **Momentum:** 4.2 / 100  (trend: STABLE)
- **Historical depth:** 10.5 / 100
- **Attention shift:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Штифель, Эдуард](https://ru.wikipedia.org/wiki/%D0%A8%D1%82%D0%B8%D1%84%D0%B5%D0%BB%D1%8C%2C_%D0%AD%D0%B4%D1%83%D0%B0%D1%80%D0%B4)
- [ادوارد ستيفل](https://arz.wikipedia.org/wiki/%D8%A7%D8%AF%D9%88%D8%A7%D8%B1%D8%AF_%D8%B3%D8%AA%D9%8A%D9%81%D9%84)
- [ادوارد اشتیفل](https://azb.wikipedia.org/wiki/%D8%A7%D8%AF%D9%88%D8%A7%D8%B1%D8%AF_%D8%A7%D8%B4%D8%AA%DB%8C%D9%81%D9%84)
- [Eduard Stiefel](https://ca.wikipedia.org/wiki/Eduard_Stiefel)
- [Eduard Stiefel](https://de.wikipedia.org/wiki/Eduard_Stiefel)
- [Eduard Stiefel](https://en.wikipedia.org/wiki/Eduard_Stiefel)
- [Eduard Stiefel](https://es.wikipedia.org/wiki/Eduard_Stiefel)
- [ادوارد اشتیفل](https://fa.wikipedia.org/wiki/%D8%A7%D8%AF%D9%88%D8%A7%D8%B1%D8%AF_%D8%A7%D8%B4%D8%AA%DB%8C%D9%81%D9%84)
- [Eduard Stiefel](https://fr.wikipedia.org/wiki/Eduard_Stiefel)
- [Eduard Stiefel](https://it.wikipedia.org/wiki/Eduard_Stiefel)
- [エドゥアルト・シュティーフェル](https://ja.wikipedia.org/wiki/%E3%82%A8%E3%83%89%E3%82%A5%E3%82%A2%E3%83%AB%E3%83%88%E3%83%BB%E3%82%B7%E3%83%A5%E3%83%86%E3%82%A3%E3%83%BC%E3%83%95%E3%82%A7%E3%83%AB)
- [Eduard Stiefel](https://pt.wikipedia.org/wiki/Eduard_Stiefel)
- [Wikidata](https://www.wikidata.org/wiki/Q122724)

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