# John R. Steel

> John Robert Steel is an American set theorist at the University of California, Berkeley. He has made many contributions to the theory of inner models and determinacy. With Donald A. Martin, he proved projective determinacy, assuming the existence of sufficiently large cardinals. He earned his Ph.D. in Logic & the Methodology of Science at Berkeley in 1977 under the joint supervision of John West Addison Jr. and Stephen G. Simpson.

*American mathematician*

**Canonical URL:** https://fame.am/person/john-r-steel

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1948-10-30
- **Status:** living
- **Gender:** male

## Fame
- **Popularity score:** 37.0 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 5.7 / 100
- **Attention shift:** 0.0 / 100
- **Source confidence:** 35.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [John R. Steel](https://de.wikipedia.org/wiki/John_R._Steel)
- [جون ر. ستيل](https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%B1._%D8%B3%D8%AA%D9%8A%D9%84)
- [جون ر. ستيل](https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%B1._%D8%B3%D8%AA%D9%8A%D9%84)
- [John Robert Steel](https://pt.wikipedia.org/wiki/John_Robert_Steel)
- [John R. Steel](https://en.wikipedia.org/wiki/John_R._Steel)
- [John R. Steel](https://fr.wikipedia.org/wiki/John_R._Steel)
- [Wikidata](https://www.wikidata.org/wiki/Q1701501)

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