# Vratislav Grégr

> Czech chemical engineer and professor of chemistry (1914–1991)

**Wikidata**: [Q11938136](https://www.wikidata.org/wiki/Q11938136)  
**Source**: https://4ort.xyz/entity/vratislav-gr-gr


## References

1. [The Fine Art Archive](https://cs.isabart.org/person/162471)
2. Czech National Authority Database
3. Virtual International Authority File