# Klaus Hartmann

> German navy officer and WWII submarine commander (1912-1944)

**Wikidata**: [Q96440252](https://www.wikidata.org/wiki/Q96440252)  
**Source**: https://4ort.xyz/entity/klaus-hartmann-q96440252


## References

1. Die deutschen U-Boot-Kommandanten (1 ed.)
2. [Source](http://www.ubootarchiv.de/ubootwiki/index.php/U_441)
3. [Source](http://www.ubootarchiv.de/ubootwiki/index.php/Klaus_Hartmann)