# Erich Waetzmann

> German physicist (1882-1938)

**Wikidata**: [Q105401](https://www.wikidata.org/wiki/Q105401)  
**Source**: https://4ort.xyz/entity/erich-waetzmann


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. International Standard Name Identifier
5. Virtual International Authority File
6. IdRef
7. National Library of Israel Names and Subjects Authority File