# John Oliver Arnold

> British metallurgist and writer

**Wikidata**: [Q21166095](https://www.wikidata.org/wiki/Q21166095)  
**Source**: https://4ort.xyz/entity/john-oliver-arnold


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Source](https://catalogues.royalsociety.org/CalmView/Record.aspx?src=CalmView.Persons&id=NA1688)