# Harald T. Friis

> Harald Trap Friis, who published as H. T. Friis, was a Danish-American radio engineer whose work at Bell Laboratories included pioneering contributions to radio propagation, radio astronomy, and radar. His two Friis formulas remain widely used.

*American electrical engineer (1893–1976)*

**Canonical URL:** https://fame.am/person/harald-t-friis

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** United States
- **Born:** 1893-02-22
- **Died:** 1976-06-15
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 42.3 / 100
- **Momentum:** 4.9 / 100  (trend: RISING)
- **Historical depth:** 7.9 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 50.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [Harald Trap Friis](https://pt.wikipedia.org/wiki/Harald_Trap_Friis)
- [هارالد تي فريس](https://ar.wikipedia.org/wiki/%D9%87%D8%A7%D8%B1%D8%A7%D9%84%D8%AF_%D8%AA%D9%8A_%D9%81%D8%B1%D9%8A%D8%B3)
- [هارالد فريس](https://arz.wikipedia.org/wiki/%D9%87%D8%A7%D8%B1%D8%A7%D9%84%D8%AF_%D9%81%D8%B1%D9%8A%D8%B3)
- [Harald T. Friis](https://da.wikipedia.org/wiki/Harald_T._Friis)
- [Harald Friis](https://de.wikipedia.org/wiki/Harald_Friis)
- [Harald T. Friis](https://en.wikipedia.org/wiki/Harald_T._Friis)
- [Harald Friis](https://fr.wikipedia.org/wiki/Harald_Friis)
- [Harald Friis](https://it.wikipedia.org/wiki/Harald_Friis)
- [Harald Friis](https://mg.wikipedia.org/wiki/Harald_Friis)
- [Wikidata](https://www.wikidata.org/wiki/Q722425)

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