# Michael Heltzen

> mining engineer (1712-1770)

**Wikidata**: [Q6831070](https://www.wikidata.org/wiki/Q6831070)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Michael_Heltzen)  
**Source**: https://4ort.xyz/entity/michael-heltzen


## References

1. [2016](https://www.norske-kirker.net/home/buskerud/kongsberg-kirke/)
2. Norsk biografisk leksikon
3. [Source](https://lokalhistoriewiki.no/wiki/Michael_Heltzen)