# József Kürschák

> József Kürschák was a Hungarian mathematician noted for his work on trigonometry and for his creation of the theory of valuations. He proved that every valued field can be embedded into a complete valued field which is algebraically closed. In 1918 he proved that the sum of reciprocals of consecutive natural numbers is never a natural number. Extending Hilbert's argument, he proved that everything that can be constructed using a ruler and a compass, can be constructed by using a ruler and the ability to copy a fixed segment. He was elected a member of the Hungarian Academy of Sciences in 1897. He was one of the main organisers of mathematics competitions, for example, Eötvös Loránd mathematics competition.

*Hungarian mathematician (1864-1933)*

**Canonical URL:** https://fame.am/person/jozsef-kurschak

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Born:** 1864-03-14
- **Died:** 1933-03-26
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 42.7 / 100
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- **Historical depth:** 8.3 / 100
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- **Source confidence:** 55.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [József Kürschák](https://pt.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [چوزيف كورشاك](https://arz.wikipedia.org/wiki/%DA%86%D9%88%D8%B2%D9%8A%D9%81_%D9%83%D9%88%D8%B1%D8%B4%D8%A7%D9%83)
- [József Kürschák](https://ca.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [József Kürschák](https://de.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [József Kürschák](https://en.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [József Kürschák](https://eo.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [József Kürschák](https://fr.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [Kürschák József](https://hu.wikipedia.org/wiki/K%C3%BCrsch%C3%A1k_J%C3%B3zsef)
- [퀴르샤크 요제프](https://ko.wikipedia.org/wiki/%ED%80%B4%EB%A5%B4%EC%83%A4%ED%81%AC_%EC%9A%94%EC%A0%9C%ED%94%84)
- [József Kürschák](https://pms.wikipedia.org/wiki/J%C3%B3zsef_K%C3%BCrsch%C3%A1k)
- [Wikidata](https://www.wikidata.org/wiki/Q182967)

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