# Douglas M. Ruthven

> chemical engineer

**Wikidata**: [Q108862189](https://www.wikidata.org/wiki/Q108862189)  
**Source**: https://4ort.xyz/entity/douglas-m-ruthven


## References

1. [Source](https://obituaries.bangordailynews.com/obituary/douglas-ruthven-1083364598)
2. CiNii Research
3. National Library of Israel Names and Subjects Authority File