# Ludwig Gümbel

> German engineer (1874–1923)

**Wikidata**: [Q1640565](https://www.wikidata.org/wiki/Q1640565)  
**Source**: https://4ort.xyz/entity/ludwig-g-mbel


## References

1. Mathematics Genealogy Project
2. Integrated Authority File
3. International Standard Name Identifier
4. Virtual International Authority File