# John Castell Evans

> Welsh science teacher (1844-1909)

**Wikidata**: [Q20821428](https://www.wikidata.org/wiki/Q20821428)  
**Source**: https://4ort.xyz/entity/john-castell-evans


## References

1. Dictionary of Welsh Biography
2. Virtual International Authority File
3. [Dictionary of Welsh Biography](https://biography.wales/article/s1-EVAN-CAS-1844)