# Sigurd Fergus Varian

> American businessman, aviator and inventor

**Wikidata**: [Q15847569](https://www.wikidata.org/wiki/Q15847569)  
**Source**: https://4ort.xyz/entity/sigurd-fergus-varian


## References

1. Czech National Authority Database
2. [Source](https://fi.edu/en/awards/laureates/sigurd-f-varian)
3. Virtual International Authority File
4. Faceted Application of Subject Terminology
5. [Encyclopædia Britannica Online](https://www.britannica.com/biography/Russell-H-Varian-and-Sigurd-F-Varian)