# Hans Rohrbach

> Hans Rohrbach was a German mathematician. He worked both as an algebraist and a number theorist and later worked as cryptanalyst at Pers Z S, the German Foreign Office cipher bureau, during World War II. He was latterly known as the person who broke the American diplomatic O-2 cypher, a variant of the M-138-A strip cipher during 1943. Rohrbach wrote a report on the breaking of the strip cypher when he was captured by TICOM, the allied effort to roundup and seize captured German intelligence people and material.

*German mathematician (1903–1993)*

**Canonical URL:** https://fame.am/person/hans-rohrbach

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** Germany
- **Born:** 1903-02-27
- **Died:** 1993-12-19
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 36.7 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 6.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 40.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Hans Rohrbach](https://pt.wikipedia.org/wiki/Hans_Rohrbach)
- [هانز رورباخ](https://arz.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B2_%D8%B1%D9%88%D8%B1%D8%A8%D8%A7%D8%AE)
- [هانس روهرباخ](https://azb.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B3_%D8%B1%D9%88%D9%87%D8%B1%D8%A8%D8%A7%D8%AE)
- [Hans Rohrbach](https://ca.wikipedia.org/wiki/Hans_Rohrbach)
- [Hans Rohrbach](https://de.wikipedia.org/wiki/Hans_Rohrbach)
- [Hans Rohrbach](https://en.wikipedia.org/wiki/Hans_Rohrbach)
- [Hans Rohrbach](https://it.wikipedia.org/wiki/Hans_Rohrbach)
- [Wikidata](https://www.wikidata.org/wiki/Q1582079)

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