# Robert Sorgenfrey

> Robert Henry Sorgenfrey was an American mathematician and Professor of Mathematics at the University of California, Los Angeles at UCLA until his retirement in 1979. The Sorgenfrey line and the Sorgenfrey plane are named after him; the Sorgenfrey line was the first example of a normal topological space whose product with itself is not normal.

*American mathematician*

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

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1915-08-14
- **Died:** 1996-01-07
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 36.8 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 6.3 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 40.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [Robert Henry Sorgenfrey](https://sl.wikipedia.org/wiki/Robert_Henry_Sorgenfrey)
- [رابرت سورقنفری](https://azb.wikipedia.org/wiki/%D8%B1%D8%A7%D8%A8%D8%B1%D8%AA_%D8%B3%D9%88%D8%B1%D9%82%D9%86%D9%81%D8%B1%DB%8C)
- [Robert Henry Sorgenfrey](https://de.wikipedia.org/wiki/Robert_Henry_Sorgenfrey)
- [Robert Sorgenfrey](https://en.wikipedia.org/wiki/Robert_Sorgenfrey)
- [Robert Sorgenfrey](https://es.wikipedia.org/wiki/Robert_Sorgenfrey)
- [Robert Sorgenfrey](https://fr.wikipedia.org/wiki/Robert_Sorgenfrey)
- [Robert Sorgenfrey](https://pt.wikipedia.org/wiki/Robert_Sorgenfrey)
- [Wikidata](https://www.wikidata.org/wiki/Q383976)

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