# Ferdinand Rudolph Hassler

> Swiss-American mathematician and surveyor (1770-1843)

**Wikidata**: [Q120552](https://www.wikidata.org/wiki/Q120552)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ferdinand_Rudolph_Hassler)  
**Source**: https://4ort.xyz/entity/ferdinand-rudolph-hassler


## References

1. Integrated Authority File
2. BnF authorities
3. Geni.com
4. International Standard Name Identifier
5. Faceted Application of Subject Terminology
6. Virtual International Authority File
7. SNAC
8. Historical Dictionary of Switzerland