# Otto Spiess

> Swiss mathematician and historian of mathematics (1878-1966)

**Wikidata**: [Q1644048](https://www.wikidata.org/wiki/Q1644048)  
**Source**: https://4ort.xyz/entity/otto-spiess


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. Base de données des élites suisses
5. Historical Dictionary of Switzerland
6. IdRef