# Waldemar Petersen

> German entrepreneur (1880–1946)

**Wikidata**: [Q100274](https://www.wikidata.org/wiki/Q100274)  
**Source**: https://4ort.xyz/entity/waldemar-petersen


## References

1. Integrated Authority File
2. Mathematics Genealogy Project
3. Virtual International Authority File
4. Q107642470
5. [Source](https://second.wiki/wiki/waldemar_petersen)