# John Henry

> England toxicologist

**Wikidata**: [Q6238724](https://www.wikidata.org/wiki/Q6238724)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Henry_(toxicologist))  
**Source**: https://4ort.xyz/entity/john-henry-q6238724


## References

1. Czech National Authority Database
2. Virtual International Authority File
3. [Source](http://www.telegraph.co.uk/news/main.jhtml?view=DETAILS&grid=&xml=/news/2007/05/12/db1202.xml)
4. Freebase Data Dumps. 2013
5. IdRef
6. National Library of Israel Names and Subjects Authority File