# John D. Clark

> American chemist and writer (1907–1988)

**Wikidata**: [Q899453](https://www.wikidata.org/wiki/Q899453)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/John_Drury_Clark)  
**Source**: https://4ort.xyz/entity/john-d-clark


## References

1. Czech National Authority Database
2. SNAC
3. Internet Speculative Fiction Database
4. Freebase Data Dumps. 2013
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File