# Hellmut Frieser

> German photochemist, process engineer and university lecturer

**Wikidata**: [Q94788009](https://www.wikidata.org/wiki/Q94788009)  
**Source**: https://4ort.xyz/entity/hellmut-frieser


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. FactGrid